The correct answer is False. When joining three or more tables, you need to specify a join condition for one pair of tables.
You must define a join condition for one pair of tables when connecting three or more tables. Regardless of whether they match rows from the other table, all rows from both tables will be included in a full outer join. Within SQL, you may carry out unique operations like self-joins. Each row from the first table and each row from the second table are connected by a cross join. You do not provide a join condition because of how the cross join functions (ON).
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Computer Vision and Industrial Robots
Consider an industrial robot performing several tasks in an assembly line. Such machines perform a single task with great speed and efficiency. Conduct research on the Internet and list what you feel would be its main components if computer vision was implemented. Ask yourself what are the advantages of adding a computer vision system to this robot. Which robot do you expect better performance from, a robot with computer vision or robot without computer vision.
Answer:
View Computer Vision Unit Activity.docx from COMPUTER SCIENCE 101 at Edoptions High School. Consider an industrial robot performing several tasks in an assembly line.Machine Vision in industrial applications. Robots working in industrial applications need visual feedback. This is used to navigate, identify parts, collaborate with humans and fuse visua
Explanation:
Many industries are feeling the effects of skilled labor shortages. At the same time, companies are reluctant to invest heavily in training and developing unskilled employees, for fear of losing them afterward through defection to competitors. With no end in sight to the workforce shortfall, the appeal of robots as an efficient supplement, and even replacement, for human labor is continuing to grow.
The cost of robotics is generally falling, and alternative business models like robotics-as-a-service (RaaS) make industrial robots accessible even to companies that don’t have substantial capital budgets to exploit. The affordability of the units themselves, along with the fact that programming is becoming more straightforward and hence less costly, is also boosting the appeal of industrial robotics adoption.
Answer:if u still need help i can help you
Explanation:
A 470 ohm half watt resistor is connected across 12 volts. Will this resistor be damaged?
Answer:
we
Explanation:
weqerw
in order for to edit information on the style header of a particular style a. must have administrative privileges b. must be in edit mode c. must right click d. open the style header page within the style, then click save e. all of the above.
You must access the Style Header page within the style, make the necessary changes, and then click Save if you want to alter data in the "Style Header" of a Style Folder.
What is Style Header?
Using heading styles is the most basic approach to add headings. By using heading styles, you can easily create a table of contents, rearrange your document, and reformat its layout without having to individually alter the text for each heading. Choose the passage you want to use as a heading.What is heading styles in HTML?
There are six heading levels in HTML. A heading element includes every font change, paragraph break, and white space required to show the heading. There are six heading components: H1, H2, H3, H4, H5, and H6, with H1 being the highest .Learn more about Style Header
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What is the activity called when a team constructively criticizes its performance for the purpose of improving performance going forward?
The activity is commonly known as a "retrospective". During a retrospective, a team comes together to discuss and analyze their performance with the goal of identifying areas for improvement.
This process allows the team to reflect on their successes and failures, and to generate ideas for how to enhance their future performance. It promotes a culture of continuous improvement, where team members are encouraged to learn from mistakes and work together to achieve greater success.
Conducting regular retrospectives can be a valuable tool for teams looking to enhance their performance and work more effectively together.
Debriefing is a structured process in which a team reviews and constructively critiques its performance, usually after completing a task or project. The purpose of debriefing is to identify strengths, weaknesses, and areas for improvement, as well as to facilitate learning and continuous improvement going forward. This process involves open communication, honest feedback, and a focus on both individual and team performance.
Debriefing is an essential activity for teams to enhance their performance and achieve better results in future tasks or projects. It promotes a culture of continuous learning and improvement by encouraging open discussions and constructive criticism.
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How many passes will it take to find the five in this list? 1, 5, 10, 15, 20, 22, 30 edgenutiy 2020
Answer:
1
Explanation:
Answer:
The answer is 2
Explanation:
edge 2020
Traditional Media vs. New Media: Which Methods To Use?
Answer:
New media
Explanation:
The old or traditional media are stressful , bulky , unnecessarily expensive and also take. a longer time to achieve a task while New media is a super fast method of achieving goals and objectives
what is the main purpose of pseudocode?
A. to debug a program
B. to help the programmer create error-free code
C. to test a program
D. to plan a program
Answer:
i think correct ans is a) to debug a program
what does a network proxy server do in a lan
A network proxy server in a LAN (Local Area Network) acts as an intermediary between the local network and the internet.
It allows multiple computers on the LAN to share a single internet connection and provides security features such as filtering and blocking of unwanted content. When a computer on the LAN requests access to a website or other internet resource, the request is sent to the proxy server. The proxy server then retrieves the requested information from the internet and sends it back to the requesting computer. This allows all computers on the LAN to access the internet using the same connection, which can be more efficient and cost-effective.
Additionally, the proxy server can be configured to filter or block certain types of content, such as malicious websites or inappropriate material. This helps to keep the LAN secure and protect the computers on the network from potential threats.
In summary, a network proxy server in a LAN performs the following functions:
- Acts as an intermediary between the LAN and the internet
- Allows multiple computers to share a single internet connection
- Provides security features such as filtering and blocking of unwanted content
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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.
Answer:
I am using normally using conditions it will suit for all programming language
Explanation:
if(minimum){
hours=10
}
Which of the following commands will install a package using the Red Hat Package Manager, showing all information, while printing pound signs to show the progress of installation
A command which will install a package on a Linux Computer system by using the Red Hat Package Manager, showing all information and printing pound signs to show the progress of installation is: rpm -ivh packagename.rpm.
What is a Linux command?A Linux command can be defined as a software program that is designed and developed to run on the command line, in order to enable an administrator (end user) of a Linux network perform both basic and advanced tasks by entering a line of text.
In this scenario, we can infer and logically deduce that a command which can be used by an administrator (end user) of a Linux network to install a package on a Linux Computer system by using the Red Hat Package Manager, showing all information and printing pound signs to show the progress of installation is "rpm -ivh packagename.rpm."
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Complete Question:
Which of the following commands will install a package using the Red Hat Package Manager, showing all information, while printing pound signs to show the progress of installation?
rpm -iap packagename.rpm
rpm -ivp packagename.rpm
rpm -iah packagename.rpm
rpm -ivh packagename.rpm
what function returns a value you specify if a formula evaluates to an error; otherwise, it returns the result of the formula?
The function that returns a value you specify if a formula evaluates to an error; otherwise, it returns the result of the formula is the IFERROR function.
The IFERROR function is used to evaluate a formula and returns the specified value if the formula evaluates to an error, and it returns the result of the formula if it is not an error. The syntax of the IFERROR function is as follows:=IFERROR(value, value_if_error)
The function arguments are described as follows: value: The argument that you want to test for an error value_if_error: The value to be returned if the formula evaluates to an error.
Suppose we want to calculate the ratio of two numbers, say 6 and 3. In this case, the formula is 6/3, which evaluates to 2.
The formula using the IFERROR function is:=IFERROR(6/0, "Error")In this case, the formula returns the value "Error" because we have attempted to divide by zero, which results in an error. If we replace 6/0 with 6/3 in the formula, the formula evaluates to 2, which is not an error, and the formula returns the result of the formula as 2.
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________ are storage drives that contain both solid-state storage and hard disks in an attempt to gain the speed and power benefits of SSDs while still having the low cost and large capacity of hard drives.
The storage drives that contain both solid-state storage and hard disks in an attempt to gain the speed and power benefits of SSDs while still having the low cost and large capacity of hard drives are called as Hybrid drives.
What is drive?Drive provides a storage space and speed for processing the data in the drive on the personal computers or laptops at low cost.
There are two types of drives- Solid state hard drives and Hard disks.
So, the combination of both the drives is named as Hybrid drives containing features of large space as well as higher processing speed.
Thus, Hybrid drives are storage drives that contain both solid-state storage and hard disks in an attempt to gain the speed and power benefits of SSDs while still having the low cost and large capacity of hard drives.
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help please give me the correct ans....
write a qbasic program to print the word "hello" 10 times [by using for next]
http://www6.uniovi.es/qbasic/qtutor1.html
go to this link and it will show you how to solve your problem
True or false: By default, if you supply the input data from a file on the file system like this: sed -f sed_script.sed original.txt It will makes changes to the file "original.txt" directly in the file.
False by default, the "sed" command will not modify the original file.
"Do changes made using the sed command get saved directly to the original file?"When using the "sed" command, the modified text is typically output to the standard output (i.e., the console) by default. However, if you want to make changes to the original file, you need to use the "-i" flag. For example, if you have a sed script named "sed_script.sed" and a file named "original.txt", you would use the following command to modify the file directly:
sed -i -f sed_script.sed original.txt
Without the "-i" flag, the sed command will only output the modified text to the console, and the original file will remain unchanged.
It is important to be cautious when using the "-i" flag, as it can modify the original file without creating a backup. It is recommended to make a backup copy of the file before running the command with the "-i" flag.
In summary, the default behavior of the "sed" command is to output the modified text to the console, and the "-i" flag must be used to modify the original file directly.
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6
Select the correct answer.
Jorge needs to print out an essay he wrote, but he does not have a printer. His neighbor has a printer, but her internet connection is flaky. Jorge is
getting late for school. What is the most reliable way for him to get the printing done?
O A. send the document to his neighbor as an email attachment
О в.
share the document with his neighbor using a file sharing service
OC.
physically remove his hard disk and take it over to his neighbor's
OD. copy the document onto a thumb drive and take it over to his neighbor's
Since Jorge needs to print out an essay, Jorge should D. Copy the document onto a thumb drive and take it over to his neighbor's
What is the printer about?In this scenario, the most reliable way for Jorge to get his essay printed would be to copy the document onto a thumb drive and take it over to his neighbor's.
Therefore, This method does not depend on the internet connection, which is flaky, and it also avoids any potential issues with email attachments or file sharing services. By physically taking the document over to his neighbor's, Jorge can ensure that the document will be printed on time.
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covert algebraic expressions into mathematical expressions s=ut+at²
Answer:
Python Expression:
u*t+ (1/2)* a*t** 2
A ____________ protocol is software that provides or facilitates a connection in which no information is retained by either sender or receiver. The sender transmits a packet to the receiver and does not expect an acknowledgement of receipt. The recipient receives the packet without any prior connection setup.
Answer:
An internet protocol is software that provides or facilitates a connection in which no information is retained by either sender or receiver. The sender transmits a packet to the receiver and does not expect an acknowledgement of receipt. The recipient receives the packet without any prior connection setup.
How can you use the Address Book to address an email message? Use the drop-down menus to complete the sentences. 1. Type an email contact in the To bar and choose from the options. 2. Click in the ribbon to open the Global Address List.
Answer:
1. AutoCorrect
2. Address book
Explanation:
stan bts ?
Answer:
1. auto correct
2. address book
Explanation:
Jimmie Flowers, known as Agent 13, is back! However, he has a secret that until now nobody has noticed (although we aren't sure how we missed it!) Jimmie can't stand to have objects that are not properly aligned. If any object is slanted (not aligned), he feels obligated to adjust that object to properly align them. Jimmie needs your help, though! He wants you to take bricks (which we will represent by just one of their edges) and determine if they are aligned or not. The Problem: Given two unique points on a line, create a function that will accept these points and determine if the line is a horizontal or vertical line. How to check if there is vertical or horizontal line Given with two object points: P, (x,y), and P2 (ty). To determine if there are any vertical or horizontal lines, we check if either (x,xorly, y). Note: You need to implement pass by reference in solving this problem to demonstrate the use of pointers. Input Format: The input will begin with a single, positive integer, R, on a single line, representing the number of objects followed by the object unique points separated by line. For each object, there will be four non-negative integers, xl, yl. 22 and y2 (all S 100), on a single line cach separated by a single space where xl, yl) represents one point on the edge and (x2, y2) represents a second and different) point on the same edge. Example Input Output Format For each object, if it is slanted (not horizontal or vertical), output "We need to fix this" or output "It's all good" if it is not. Each output should be on a separate line. Example Output We need to fix this It's all good Example Program Execution: Example 1132 1131 we need to fix this It's all good Example 2 13510 5541 1121 It's all good It's all food He need to fix this Me need to fix this It's all good Note: Use the input from the screen shot above to test your program.
The given problem is a code implementation question. The given problem asks us to create a function that will accept two unique points on a line and determine if the line is a horizontal or vertical line. The given problem provides the format of input, output, and constraints that need to be followed while writing the code.
The function for the given problem can be written in C++ as follows:```#includeusing namespace std;void checkLine(int& x1,int& y1,int& x2,int& y2){ if(x1==x2) cout<<"It's all good\n"; else if(y1==y2) cout<<"It's all good\n"; else cout<<"We need to fix this\n";}int main(){ int n; cin>>n; while(n--){ int x1,y1,x2,y2; cin>>x1>>y1>>x2>>y2; checkLine(x1,y1,x2,y2); } return 0;}```In the above code, we have a function check-in that accepts four integer values x1,y1,x2,y2 which are the unique points on a line. The function uses pass by reference to modify the values of x1,y1,x2,y2 within the function.
The function checks if the line is horizontal by comparing the values of y1 and y2, if they are equal, then the line is horizontal. Similarly, the function checks if the line is vertical by comparing the values of x1 and x2, if they are equal, then the line is vertical.If the line is neither horizontal nor vertical, then the function prints "We need to fix this".In the main function, we take the input in the given format and call the checkLine function with the given points. The output is printed based on the value returned by the checkLine function.
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an application receiving data on a stream socket must call recv() repeatedly to assure that all transmitted data has been received. an application receiving data on a datagram socket needs to call recvfrom() only once to receive the entire message. why?
An application receiving data on a stream socket must call recv() repeatedly to assure that all transmitted data has been received. An application receiving data on a datagram socket needs to call recvfrom() only once to receive the entire message because datagram sockets deliver messages as a complete unit, whereas stream sockets deliver data in a continuous stream.
Stream sockets, also known as connection-oriented sockets, provide a reliable, ordered, and error-checked data transmission mechanism. The data transmitted over a stream socket is treated as a continuous stream of bytes, and the receiver must call the recv() function repeatedly until all the data has been received. On the other hand, datagram sockets, also known as connectionless sockets, provide an unreliable, unordered, and un-checked data transmission mechanism.
The data transmitted over a datagram socket is delivered as a complete message, and the receiver can retrieve the entire message by calling the recvfrom() function only once. However, because datagram sockets are unreliable, it is up to the application to ensure that the entire message has been received correctly.
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Based on your prior knowledge, match each civilization to the region it occupied.
Answer: Inca- South America
Aztec - Meso America
Explanation:
Answer:Ladies and gents and all the nonbinary people out there, darlings the anwser is
Mesoamerica: Aztec
South America: Inca
Explanation:I just did it and got it right!
i'm sure u guys don't actually want an explanationLMFAOOO
describe the process of stp from implementation to convergence.
Spanning Tree Protocol (STP) is a networking protocol that was created to prevent network loops in a Layer 2 switched network. STP helps in controlling the flood of traffic in a switched network by organizing the network topology. In this regard, the process of STP from implementation to convergence involves a series of steps as described below:
Step 1: STP Implementation
The first step in the process of STP implementation is to enable STP on all switches in the network. This ensures that all switches can participate in the STP process. After enabling STP on all switches, the switches must then be configured with a unique Bridge ID.
Step 2: Root Bridge Election
The next step is to elect a Root Bridge. The Root Bridge is the most important bridge in the STP topology as it provides the basis for the entire network's logical topology. To elect the Root Bridge, the switches compare their Bridge IDs, with the switch with the lowest Bridge ID being elected as the Root Bridge.
Step 3: Calculating Path Costs
The next step is to calculate the path costs from each switch to the Root Bridge. Path costs are calculated by adding the cost of each link between a switch and the Root Bridge.
Step 4: Determining the STP Topology
Using the Root Bridge and the path costs, STP then determines the topology of the network. STP calculates the shortest path from each switch to the Root Bridge, and blocks any redundant links.
Step 5: STP Convergence
After STP has determined the topology of the network, it then begins to converge. During convergence, switches change their port states until all ports are either in the forwarding or blocking state.
In conclusion, STP is an essential protocol for maintaining a stable and efficient network. By following the above process, STP helps prevent network loops and ensures that traffic flows efficiently throughout the network.
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Which statement best describes fonts from a serif font family?
A.
These fonts have tapered corners and edges at the end of their strokes.
B.
These fonts have straight lines and uniform stroke widths.
C.
These fonts are cursive and italicized.
D.
These fonts have fixed widths.
Answer:
A
Explanation:
The main characteristic of a serif font is the tapered corners, so the answer would be A.
Answer:
A. These fonts have tapered corners and edges at the end of their strokes.
Explanation:
just did the test this is the answer, hope I helped :)
david, a system administrator, has created specific gpos for every department in his organization based on the permissions required by the various departments. however, he needs to apply the default domain policy for some managers but not for the rest of the users. how can david ensure that the default domain policy is applied only to specific managers' accounts?
To apply the Default Domain Policy only to specific managers' accounts, David should follow these steps: 1. Create a security group for the managers who require the Default Domain Policy.
To apply the default domain policy to specific managers' accounts, David can follow these steps:
1. Create a new security group for the managers who should receive the default domain policy. This can be done in the Active Directory Users and Computers tool.
2. Add the specific managers' user accounts to this new security group.
3. Open the Group Policy Management Console and navigate to the Group Policy Object (GPO) that contains the default domain policy.
4. Right-click on the GPO and select "Security Filtering."
5. Remove the "Authenticated Users" group from the list of groups and add the new security group created in step 1.
6. Ensure that the new security group has "Read" and "Apply Group Policy" permissions for the GPO.
7. Run a gpupdate command on the specific managers' computers to ensure the updated policy is applied.
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PLS ANSWER NOW QUICKLY!!!!
If the car can recognize and have an understanding or estimation of more information about the people involved should that influence the decision that is made? To clarify with an example: if the car’s software can recognize that a pedestrian is a mother with two children in a stroller or a pregnant woman, should that be factored into the decision that is made by the software? Why or why not?
The use of additional information in the decision-making process of an autonomous vehicle raises ethical and moral questions. Recognizing and prioritizing the safety of vulnerable individuals at risk of injury in an accident ensures safety.
Using such information could raise concerns about privacy, bias, and discrimination. The technology used to recognize and understand pedestrians may need to be more accurate and could lead to incorrect decisions or unintended consequences.
Relying on this information could perpetuate existing biases and inequalities, such as prioritizing the safety of specific individuals over others based on their perceived vulnerability.
The decision to factor should consider the potential benefits and risks and an ethical framework that prioritizes safety while considering the rights and dignity of individuals.
The command used to save a file for the first time and or to save a file with a new file name, location and formatT
cntrl s dummycntrl s dummycntrl s dummycntrl s dummycntrl s dummy
b. What is Algorithm? b . What is Algorithm ?
\(\huge\purple{Hi!}\)
An algorithm is a procedure used for solving a problem or performing a computation. Algorithms act as an exact list of instructions that conduct specified actions step by step in either hardware- or software-based routines.
Algorithms are widely used throughout all areas of IT. In mathematics and computer science, an algorithm usually refers to a small procedure that solves a recurrent problem. Algorithms are also used as specifications for performing data processing and play a major role in automated systems.
An algorithm could be used for sorting sets of numbers or for more complicated tasks, like recommending user content on social media. Algorithms typically start with initial input and instructions that describe a specific computation. When the computation is executed, the process produces an output.
Richard wants to share his handwritten class notes with Nick via email. In this scenario, which of the following can help Richard convert the notes into digital images so that he can share them via email? a. Bar coding device b. Digital printing software c. Document scanner d. Radio frequency identification tag
Answer: Document Scanner
Explanation: Cos then he can easily add the paper notes to his computer and email the client.
in a basic program with 3 IF statements, there will always be _________ END IIF's.
a)2
b)3
c)4
Answer:
c)4
Explanation:
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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
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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