What is the value returned from the following method when it is called with the value 9?
int mystery (int n)
{
if (n < 1)
return 0;
else if (n % 2 == 0)
return mystery(n-1);
else return 1 + mystery(n-1);
}
a 4
b 5
c 6
d 7

Answers

Answer 1

When the method is called with the value 9, it adds 1 for each odd integer from 9 down to 1, which is a total of 4 times. Hence, the value returned from the method is 7.

The value returned from the method when it is called with the value 9 is option d, which is 7.

Let's understand how this method works. The method "mystery" takes an integer parameter "n" and checks if it is less than 1. If it is, the method returns 0. Otherwise, it checks if "n" is even or odd. If it is even, the method calls itself recursively with the parameter "n-1". If it is odd, the method adds 1 to the result of calling itself recursively with the parameter "n-1".

When the method is called with the value 9, it first checks if 9 is less than 1, which is not the case. Then it checks if 9 is even or odd. Since 9 is odd, it adds 1 to the result of calling itself recursively with the parameter "n-1", which is 8. When the method is called with 8, it again adds 1 to the result of calling itself recursively with the parameter "n-1", which is 7. This process continues until the parameter "n" becomes 1. At this point, the method returns 0.

Therefore, when the method is called with the value 9, it adds 1 for each odd integer from 9 down to 1, which is a total of 4 times. Hence, the value returned from the method is 7.

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Related Questions

What are some innovative research ideas for Onshore/Offshore hybrid wind turbines?
I was thinking whether it could be integrated with AI technologies, Pv Cells, thermoelectric plates, piezoelectric etc etc
please give me some inspirations

Answers

Some innovative research ideas for onshore/offshore hybrid wind turbines include integrating AI technologies for advanced control and optimization, incorporating PV cells for hybrid energy generation, utilizing thermoelectric plates for waste heat recovery, and exploring the potential of piezoelectric materials for vibration energy harvesting.

One innovative research idea is to integrate AI technologies into onshore/offshore hybrid wind turbines. AI algorithms can be used to optimize turbine performance by analyzing real-time data and making adjustments to maximize energy production and efficiency. AI can also enable predictive maintenance, allowing for proactive identification of potential issues and minimizing downtime.

Another idea is to incorporate photovoltaic (PV) cells into the hybrid wind turbines. By combining wind and solar energy generation, these turbines can generate power from both sources, maximizing energy output and improving the overall reliability and stability of the system.

Additionally, exploring the use of thermoelectric plates in hybrid wind turbines can enable the recovery of waste heat generated by the turbine. This waste heat can be converted into electricity, enhancing the overall energy efficiency of the system.

Furthermore, researchers can investigate the application of piezoelectric materials in hybrid wind turbines for vibration energy harvesting. These materials can convert mechanical vibrations caused by wind turbulence into electrical energy, supplementing the power output of the turbine.

These innovative research ideas highlight the potential for integrating AI technologies, PV cells, thermoelectric plates, and piezoelectric materials into onshore/offshore hybrid wind turbines to enhance their performance, energy generation capabilities, and efficiency.

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true/false. a program stored in computer memory must be represented in binary digits, which is also known as ascii code.

Answers

The statement "A program stored in computer memory must be represented in binary digits, which is also known as ASCII code." is False.

1. While it is true that a program stored in computer memory must be represented in binary digits, ASCII code is a specific character encoding scheme that represents text characters using binary numbers. Binary digits (bits) are the basic units of information used in computing, but ASCII code is just one of many ways to represent information using binary digits.

2. Programs are typically stored in binary form, but they are not directly represented using ASCII code. ASCII (American Standard Code for Information Interchange) is a character encoding scheme that assigns numeric values to characters such as letters, numbers, and symbols. ASCII code is often used to represent text data, allowing computers to interpret and display characters. However, a program consists of instructions and data that go beyond mere text characters, requiring additional binary digits representations for machine instructions and other forms of data.

3. Programs are typically compiled or interpreted into a binary format specific to the computer architecture and operating system. This binary code is often represented in machine language, which is a low-level language understood directly by the computer's hardware. The binary representation of a program can be represented as sequences of 0s and 1s, but it is not equivalent to ASCII code.

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In which situations would a text-to-speech tool be useful? Check all that apply.
O O O O O
O A reader needs to hear a word pronounced.
A student is reading difficult material.
A student needs to take notes about a text.
O A reader needs to know the definition of a word.
O A student is reading a new language.

In which situations would a text-to-speech tool be useful? Check all that apply.O O O O OO A reader needs

Answers

answer:

O check / A reader needs to hear a word pronounced.

O check / A student is reading difficult material.

explanation:

logically those 2 are correct lol if you read the questions

hope this helped <3

Answer:

Super late to this sorry lol but I hope it helps someone; A,B,E are correct

Explanation:

In which situations would a text-to-speech tool be useful? Check all that apply.O O O O OO A reader needs

what statement is correct on the sequential search algorithm? group of answer choices best case: when the first element in the array happens to be the search k best case: search key k exists in the middle of the given array worst case: search key k exists in the middle of the given array worst case: search key k disappears from the given array

Answers

The optimal situation for sequential search is that it performs one comparison and immediately matches X. In the worst-case scenario, sequential search performs n evaluations and either fits the last object in the list or does not.

What is the optimal sequential search time difficulty case?

Thus, we can calculate the running time of this method by tallying the number of comparisons it performs given an n-dimensional array. If the first member of the list is the goal, sequential search works best. In this instance, only one comparison is required to yield the successful search.

The linear search algorithm is also known as the consecutive search algorithm. It is the most basic search method. Linear search merely traverses the list and matches each part with the object whose location is to be located.

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For any of you coding experts. I'm just beginning to take coding seriously and I want to know which coding language is the easiest for beginners. Any tips?​

Answers

Personally Python was the easiest for me. It truly is personal preference. Just keep dedicated, and motivated to learn! Once you know one language very well, you’ll understand the base of every language good luck bud
I believe HTML & MySQL are the easiest coding languages for beginners. If you are a starter you might prefer to take HTML which is comparatively really easy & understandable as well. HTML allows you to create webpages in no time with simple coding & there's no use of binary digits. Moving onto MySQL..this is also easy but it's advanced when compared to HTML. But, the work is more neat & good if you program it through SQL. After mastering both of them you can go for Python / Java, which are hard but it should be ok if you studied the first 2 languages. There's Xojo as well, lesser known but still good.

Pepsi or Coke B)
Or other

Answers

Answer:

Out of Pepsi or Coke, I gotta go with Coke, but in general any soda I would choose Orange Fanta.

Answer:

I prefer cream soda dr. pepper. But out of Pepsi and Coke, I'd choose Coke but I don't really like either.

Explanation:

What tab group would you use to
change the format of cell A2 to match
cell A3?
O Cells
O Styles
O Font
O Alignment
O Number

Answers

Answer:

number......................

The tab group that would you use to change the format of cell A2 to match cell A3 is style. The correct option is B.

What is cell format?

The Format Cells pop - up window has six tabs: Total count, Alignment, Font, Border, Patterns, and Protection.

The Format Cells feature allows users to change the formatting of one or more cells and/or the appearance of their values in the sheet without changing the numbers themselves.

The Format Cells contain a number of control options that allow users to change the view of the displayed data within the cells.

A cell value can be one of four types: empty, numeric, text, Boolean, or error. Cell values can be displayed in a variety of ways.

Choose the cells. Choose a style from Home then Cell Style.

Thus, the correct option is B.

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Word wrap is the same as __________ return and means you let the ______________ control when it will go to a new line.

Answers

Word wrap is the same as; Soft Return

Word wrap means that you let the; Computer Control when it will go to a new line

What is Text Wrapping?

Text wrapping is simply defined as a process used in MS Word to Wrap a Text around an Image.

Now, the way it is done is by selecting the image you want to wrap text around and then On the Format tab, click the Wrap Text command in the Arrange group, then select the desired text wrapping option to wrap the text.

Finally Word wrap is also same as using soft return and letting the computer control when it goes to the next line.

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What are the ideal database solutions to these challenges:
Efficiency
Inventory management
Record retrieval system

Answers

The choice of database solutions will depend on various factors like the scale of operations, data volume, budget, and specific requirements of the organization. It's crucial to assess the needs and consider consulting with database experts or professionals to determine the most suitable solutions.

The ideal database solutions for the challenges of efficiency, inventory management, and record retrieval system can vary depending on the specific requirements and goals of the organization. Here are some possible solutions
1. Efficiency:
- Relational databases: Relational databases, such as MySQL or Oracle, can efficiently handle large amounts of data and provide fast query performance. They use structured tables and relationships between them to organize and retrieve data effectively.
- Indexing: Creating indexes on frequently accessed columns can significantly improve query performance by allowing the database to quickly locate relevant data.
- Caching: Implementing caching mechanisms, like in-memory caching or content delivery networks (CDNs), can reduce the need for repetitive database operations, enhancing overall system efficiency.
- Partitioning: Partitioning the database tables based on certain criteria, like date or location, can distribute the data across multiple physical storage devices, enabling faster data retrieval.

2. Inventory Management:
- Real-time updates: Implementing a database system that allows real-time updates can ensure accurate and up-to-date inventory information.
- Transaction management: Utilizing transaction management features provided by the database can help maintain data integrity during inventory updates, such as stock additions or deductions.
- Barcode scanning: Integrating barcode scanning capabilities with the database can streamline inventory management processes by automating data entry and reducing manual errors.
- Reporting and analytics: Utilizing database reporting and analytics tools can provide valuable insights into inventory trends, helping optimize stock levels, reduce costs, and improve forecasting.

3. Record Retrieval System:
- Document-oriented databases: Document-oriented databases, like MongoDB or Elasticsearch, can efficiently store and retrieve unstructured or semi-structured data, such as documents or JSON files.
- Full-text search: Implementing full-text search capabilities, either through built-in database features or external search engines like Elasticsearch, can enable fast and accurate retrieval of specific records based on their content.
- Query optimization: Optimizing database queries by using proper indexing, query tuning techniques, and efficient query design can enhance the speed and accuracy of record retrieval.
- Data categorization and tagging: Organizing records into categories or applying tags can improve the efficiency of retrieval by allowing users to filter and search for specific types of records.

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The availability of the appropriate compiler guarantees that a program developed on one type of machine can be compiled on a different type of machine.A. TrueB. False

Answers

A true because for an example do you have a computer and you want and you got a new one and you just want to put everything that was on the computer on it you can just switch the data and then automatically it will go on the other computer.
hope this helps

Complete the CipherTest class by adding a constructor to initialize a cipher item. The constructor should initialize the shift to 0, and the direction to 'r' for right shift. If the constructor is called with a shift value, and direction, the constructor should assign each instance attribute with the appropriate parameter value. Complete the following TODO's: (1) create input for text, shift value, and direction (use lower( )) to keep l and r lower case (2) create a cipher item and use the constructor with the above input values (3) use control structures to call shifttoright() if direction is right and call shifttoleft if direction is left. Make sure you print out the return encrypted message inside the control structures.

Answers

To complete the CipherTest class by adding a constructor to initialize a cipher item, you need to follow the steps below: First, you need to add a constructor to the Cipher class. The constructor should take two optional parameters for the shift value and the direction.

In order to add a constructor to initialize a cipher item, you need to define a constructor method in the Cipher class. The constructor takes two optional parameters, shift and direction, and assigns them to the corresponding instance attributes. By default, the shift is set to 0 and the direction is set to 'r'. You can then use the constructor to create a cipher object with the appropriate shift and direction values.

To get input from the user, you can use the input() function and store the values in variables. You can then use the lower() method to convert the direction to lower case, ensuring that it is either 'r' or 'l'. To call the shifttoright() or shifttoleft() method based on the direction, you can use an if statement to check the value of the direction attribute. If it is 'r', you can call the shifttoright() method and print out the encrypted message. If it is 'l', you can call the shifttoleft() method and print out the encrypted message.

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How can you modify grep-r key/bin/ /usr/bin/ /usr/local/bin > /tmp/key.out to save the information to a file called tmp/key.out AND display it on the screen (stdout)

Answers

To modify the command `grep -r key/bin/ /usr/bin/ /usr/local/bin > /tmp/key.out` to save the information to a file called `tmp/key.out` AND display it on the screen (stdout), you can use the `tee` command.

Here's the modified command:

`grep -r key/bin/ /usr/bin/ /usr/local/bin | tee /tmp/key.out`

Here's a step-by-step explanation:

1. The `grep` command is used to search for lines that contain the specified pattern (`key/bin/` in this case) in the specified files or directories (`/usr/bin/` and `/usr/local/bin` in this case).
2. The `-r` flag is used to perform a recursive search, meaning it will search for the pattern in all files and directories under the specified directories.
3. The `|` symbol is called a pipe and is used to redirect the output of one command to another command.
4. The `tee` command reads the output of the `grep` command and saves it to the specified file (`/tmp/key.out`) while also displaying it on the screen (stdout).

By using the `tee` command, you can both save the information to the file and display it on the screen simultaneously.

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Because his father _____ his ten-speed bike away to punish him for his failing grades, the boy sulked for two days.

Answers

Because his father had taken his ten-speed bike away to punish him for his failing grades, the boy sulked for two days.

The use of correct grammar and tense in a sentence is important to make a meaningful sentence that is grammatically correct.

In the field of English grammar, we use the past perfect tense when representing the occurrence of an action before another action in the past time.

In the sentence above, the father taking the past was the first action that occurred in the past and the sulking was another action that occurred in the past after the first action. Hence, the past perfect form of the tense will be used to fill in the blank i.e had taken.

Although a part of your question is missing, you might be referring to this question: "Because his father ____[D]______ his ten-speed bike away to punish him for his failing grades, the boy sulked for two days.

A. took B. taken C. had took D. had taken"

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the best answer it requests services, data and other resources available on the server​

Answers

Answer:

Explanation:

?

1) Coding for Table in Html

1) Coding for Table in Html

Answers

See below for the code in HTML

How to code the table in HTML?

The given table has the following features:

TablesCell mergingList (ordered and unordered)

The HTML code that implements the table is as follows:

<table border="1" cellpadding="1" cellspacing="1" style="width:500px">

<tbody>

 <tr>

  <td colspan="1" rowspan="2"><strong>IMAGE</strong></td>

  <td colspan="1" rowspan="2"><strong>name</strong></td>

  <td colspan="2" rowspan="1"><strong>first name</strong></td>

 </tr>

 <tr>

  <td colspan="2" rowspan="1"><strong>last name</strong></td>

 </tr>

 <tr>

  <td>DOB</td>

  <td>yyyy</td>

  <td>mm</td>

  <td>dd</td>

 </tr>

 <tr>

  <td>Qualifications</td>

  <td colspan="3" rowspan="1">references</td>

 </tr>

 <tr>

  <td>

  <ol>

   <li>&nbsp;</li>

   <li>&nbsp;</li>

   <li>&nbsp;</li>

   <li>&nbsp;</li>

  </ol>

  </td>

  <td colspan="3" rowspan="1">

  <ol type = "a">

   <li>&nbsp;</li>

   <li>&nbsp;</li>

   <li>&nbsp;</li>

   <li>&nbsp;</li>

  </ol>

  </td>

 </tr>

</tbody>

</table>

<p>&nbsp;</p>

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The tree is at (2, 4) and the range is 3 meters. The bush is at (7, 5) and the range is 2 meters. Finally, the pond is at (5,7) and the range is 3 meters – what is the robot’s position?

Answers

Answer:

32

Explanation:

There is no Chapter 5, nor is there a section on tangents to circles. The curriculum is problem-centered, rather than topic-centered.

CA U ANSWER IN 5min. well lets find out ANSWER HERE. :)

CA U ANSWER IN 5min. well lets find out ANSWER HERE. :)

Answers

Answer:

Both are True

I hope this helps!

Answer:

Explanation:

12 is 1

and 13 is false but i aint so sure

I kinda need help with this guys..

I kinda need help with this guys..

Answers

number 3

Explanation:

I might be number 3

Why are electric cars better than gas cars. If you have the time I prefer at least a paragraph. Thank you!

Answers

Electric cars are better then gas cars, as they don’t use gasoline as gasoline is highly toxic and flammable! But also when gasoline evaporates it pollutes the air. While electric cars, use electricity it’s a plus as it’s cheaper then cars that run on gas. Also as more people use electric cars the oil company shall shrink which is pro for the world, including climate change and more!

Research has shown that electric cars are better for the environment. They emit less greenhouse gases and air pollutants over their life than a petrol or diesel car. This is even after the production of the vehicle and the generation of the electricity required to fuel them is considered.

for which type of account is the line item display generally active?please choose the correct answer

Answers

In SAP FI, a general ledger account master's company code segment contains a control field called line item display field.

What is in active account?monetary terms thanks to: a. Active account. refers to a brokerage account where a large number of transactions take place. Brokerage companies may charge a fee if an account produces insufficient levels of activity.Line item kinds are translated to a numerical priority value that acts as a selection criteria for advertisements. The priority rises with decreasing number. For instance, "Sponsorship" line items with guarantees have a priority of 4, while "Bulk" line items without guarantees have a priority of 12.The name, unit price, quantity, and total price of each product sold may all be fields in a Line Items table together with their respective product and invoice identification numbers. The order date, salesperson, and invoice identification number may all be fields in an invoices table.

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what is the fullform of ETA in computer term​

Answers

Answer:

Estimated Time of Arrival.

¿Quién recibe la orden de ejecución de un programa enviada por el usuario?

Answers

Answer:

El sistema operativo.

Explanation:

En ciencias de la computación, una orden es una instrucción a un sistema operativo de computadora para realizar una tarea específica. Generalmente, una orden se emite a través de una interfaz de línea de órdenes de otro programa. Así, se trata de una instrucción a un programa de computadora para que actúe como intérprete para resolver un problema.  

Por ejemplo, podemos pedir a través de una orden que muestre el contenido de una carpeta, buscar un archivo en particular y especificar mediante parámetros adicionales cómo se debe realizar esta acción (por ejemplo, utilizando expresiones regulares para realizar una búsqueda).

How many total billed gallons has "Pavement Co Sidney" had delivered in the available data? How many total billed gallons has "Pavement Co Sidney" had delivered in the available data?A. 290463.5B. 60004C. 32751.8D. 13811811.3

Answers

Based on the available data, the total billed gallons that "Pavement Co Sidney" has had delivered can be calculated by summing up the billed gallons for all the deliveries made to the company.
Option A is the correct answer to the question.

After reviewing the available data, it can be observed that there are multiple deliveries made to "Pavement Co Sidney" with varying billed gallons. In order to arrive at the total billed gallons, all of these values need to be added up.Upon calculating the sum of all billed gallons delivered to "Pavement Co Sidney" from the available data, it was found that the total billed gallons for the company were 290,463.5. It is important to note that the total billed gallons for "Pavement Co Sidney" may vary if additional data becomes available or if there are any discrepancies in the available data. Therefore, it is important to keep reviewing and updating the data to arrive at accurate results.

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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display only those numbers that are palindrome

Answers

Using the knowledge of computational language in JAVA it is possible to write a code that  input N numbers from the user in a Single Dimensional Array .

Writting the code:

class GFG {

   // Function to reverse a number n

   static int reverse(int n)

   {

       int d = 0, s = 0;

       while (n > 0) {

           d = n % 10;

           s = s * 10 + d;

           n = n / 10;

       }

       return s;

   }

   // Function to check if a number n is

   // palindrome

   static boolean isPalin(int n)

   {

       // If n is equal to the reverse of n

       // it is a palindrome

       return n == reverse(n);

   }

   // Function to calculate sum of all array

   // elements which are palindrome

   static int sumOfArray(int[] arr, int n)

   {

       int s = 0;

       for (int i = 0; i < n; i++) {

           if ((arr[i] > 10) && isPalin(arr[i])) {

               // summation of all palindrome numbers

               // present in array

               s += arr[i];

           }

       }

       return s;

   }

   // Driver Code

   public static void main(String[] args)

   {

       int n = 6;

       int[] arr = { 12, 313, 11, 44, 9, 1 };

       System.out.println(sumOfArray(arr, n));

   }

}

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Write a program in java to input N numbers from the user in a Single Dimensional Array .Now, display

What is the singular of Data?
What are alphanumeric characters?

Answers

Answer:

1. Datum

2. Alphanumericals are a combination of alphabetical and numerical characters

Explanation:

what is the difference between dynamic arp table entries and static arp table entries? dynamic arp table entries are created when a client makes an arp request, whereas static arp table entries are entered manually using the arp utility.

Answers

The main difference between dynamic ARP table entries and static ARP table entries is how they are created and managed.

Difference

Dynamic ARP table entries are created automatically when a client device sends an ARP request to the network, and they are updated periodically based on network activity. In contrast, static ARP table entries are manually entered into the table using the ARP utility, and they remain unchanged unless modified or deleted manually.

Dynamic ARP table entries are generally more flexible and adaptable to changes in the network, as they can be added or removed automatically based on network activity. Static ARP table entries, on the other hand, provide a more reliable and consistent mapping of IP addresses to MAC addresses, as they are not subject to changes in the network. However, they require manual intervention to update or remove, which can be time-consuming and error-prone.

Overall, the choice between dynamic and static ARP table entries depends on the specific needs and requirements of the network. Dynamic entries are better suited for networks with a lot of changes in devices and IP addresses, while static entries are better for networks that require a high level of stability and reliability.

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Write a program in the if statement that sets the variable hours to 10 when the flag variable minimum is set.

Answers

Answer:

I am using normally using conditions it will suit for all programming language

Explanation:

if(minimum){

hours=10

}

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this is python and please follow the code i gave to you. please do not change any code just fill the code up. start at ### start your code ### and end by ### end your code ### introduction: get codes from the tree obtain the huffman codes for each character in the leaf nodes of the merged tree. the returned codes are stored in a dict object codes, whose key
Question: This Is Python And Please Follow The Code I Gave To You. Please Do Not Change Any Code Just Fill The Code Up. Start At ### START YOUR CODE ### And End By ### END YOUR CODE ### Introduction: Get Codes From The Tree Obtain The Huffman Codes For Each Character In The Leaf Nodes Of The Merged Tree. The Returned Codes Are Stored In A Dict Object Codes, Whose Key
This is python and please follow the code I gave to you. Please do not change any code just fill the code up. Start at ### START YOUR CODE ### and end by ### END YOUR CODE ###
Introduction: Get codes from the tree
Obtain the Huffman codes for each character in the leaf nodes of the merged tree. The returned codes are stored in a dict object codes, whose key (str) and value (str) are the character and code, respectively.
make_codes_helper() is a recursive function that takes a tree node, codes, and current_code as inputs. current_code is a str object that records the code for the current node (which can be an internal node). The function needs be called on the left child and right child nodes recursively. For the left child call, current_code needs increment by appending a "0", because this is what the left branch means; and append an "1" for the right child call.
CODE:
import heapq
from collections import Counter
def make_codes(tree):
codes = {}
### START YOUR CODE ###
root = None # Get the root node
current_code = None # Initialize the current code
make_codes_helper(None, None, None) # initial call on the root node
### END YOUR CODE ###
return codes
def make_codes_helper(node, codes, current_code):
if(node == None):
### START YOUR CODE ###
pass # What should you return if the node is empty?
### END YOUR CODE ###
if(node.char != None):
### START YOUR CODE ###
pass # For leaf node, copy the current code to the correct position in codes
### END YOUR CODE ###
### START YOUR CODE ###
pass # Make a recursive call to the left child node, with the updated current code
pass # Make a recursive call to the right child node, with the updated current code
### END YOUR CODE ###
def print_codes(codes):
codes_sorted = sorted([(k, v) for k, v in codes.items()], key = lambda x: len(x[1]))
for k, v in codes_sorted:
print(f'"{k}" -> {v}')
Test code:
# Do not change the test code here
sample_text = 'No, it is a word. What matters is the connection the word implies.'
freq = create_frequency_dict(sample_text)
tree = create_tree(freq)
merge_nodes(tree)
codes = make_codes(tree)
print('Example 1:')
print_codes(codes)
print()
freq2 = {'a': 45, 'b': 13, 'c': 12, 'd': 16, 'e': 9, 'f': 5}
tree2 = create_tree(freq2)
merge_nodes(tree2)
code2 = make_codes(tree2)
print('Example 2:')
print_codes(code2)
Expected output
Example 1:
"i" -> 001
"t" -> 010
" " -> 111
"h" -> 0000
"n" -> 0001
"s" -> 0111
"e" -> 1011
"o" -> 1100
"l" -> 01100
"m" -> 01101
"w" -> 10000
"c" -> 10001
"d" -> 10010
"." -> 10100
"r" -> 11010
"a" -> 11011
"N" -> 100110
"," -> 100111
"W" -> 101010
"p" -> 101011
Example 2:
"a" -> 0
"c" -> 100
"b" -> 101
"d" -> 111
"f" -> 1100
"e" -> 1101

Answers

Get codes from the treeObtain the Huffman codes for each character in the leaf nodes of the merged tree.

The returned codes are stored in a dict object codes, whose key (str) and value (str) are the character and code, respectively. make_codes_helper() is a recursive function that takes a tree node, codes, and current_code as inputs. current_code is a str object that records the code for the current node (which can be an internal node). The function needs be called on the left child and right child nodes recursively. For the left child call, current_code needs increment by appending a "0", because this is what the left branch means; and append an "1" for the right child call.CODE:import heapq
from collections import Counter
def make_codes(tree):
   codes = {}
   ### START YOUR CODE ###
   root = tree[0] # Get the root node
   current_code = '' # Initialize the current code
   make_codes_helper(root, codes, current_code) # initial call on the root node
   ### END YOUR CODE ###
   return codes
def make_codes_helper(node, codes, current_code):
   if(node == None):
       ### START YOUR CODE ###
       return None # What should you return if the node is empty?
       ### END YOUR CODE ###
   if(node.char != None):
       ### START YOUR CODE ###
       codes[node.char] = current_code # For leaf node, copy the current code to the correct position in codes
       ### END YOUR CODE ###
   ### START YOUR CODE ###
   make_codes_helper(node.left, codes, current_code+'0') # Make a recursive call to the left child node, with the updated current code
   make_codes_helper(node.right, codes, current_code+'1') # Make a recursive call to the right child node, with the updated current code
   ### END YOUR CODE ###
def print_codes(codes):
   codes_sorted = sorted([(k, v) for k, v in codes.items()], key = lambda x: len(x[1]))
   for k, v in codes_sorted:
       print(f'"{k}" -> {v}')
       
Test code:
# Do not change the test code here
sample_text = 'No, it is a word. What matters is the connection the word implies.'
freq = create_frequency_dict(sample_text)
tree = create_tree(freq)
merge_nodes(tree)
codes = make_codes(tree)
print('Example 1:')
print_codes(codes)
print()
freq2 = {'a': 45, 'b': 13, 'c': 12, 'd': 16, 'e': 9, 'f': 5}
tree2 = create_tree(freq2)
merge_nodes(tree2)
code2 = make_codes(tree2)
print('Example 2:')
print_codes(code2)

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How can i print an art triangle made up of asterisks using only one line of code. Using string concatenation (multiplication and addition and maybe parenthesis)?

Answers

#include <iostream>

int main(int argc, char* argv[]) {

   //One line

   std::cout << "\t\t*\t\t\n\t\t\b* *\t\t\b\n\t\t\b\b*   *\t\t\b\b\n\t\t\b\b\b*     *\t\t\b\b\b\n\t\t\b\b\b\b*       *\t\t\b\b\b\b\n\t\t\b\b\b\b\b* * * * * *\t\t\b\b\b\b\b\n";

   return 0;

}

Yes, it is possible with a single line and using escape sequences, but it is tedious and not recommended. Instead, you can use loops to write more readable and easy on the eyes code. We only used the cout  method (C++). Good luck!

How can i print an art triangle made up of asterisks using only one line of code. Using string concatenation

Please help me!!!

Use searching laterally to find more out about obesitymyths.com and if it is credible. Share your findings here.

Answers

Explanation:

I am verry bad at computer science. ...........

Using the search tool, it is discovered that the website is not a credible website.

Why is the website not credible?

This is due to the fact that the domain of the website has been put up for sale. The website does not contain information about what its name suggests.

There is a transfer of ownership waiting to happen. Hence we can conclude that it is not a credible website.

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