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klasskru [66]
2 years ago
15

What is redo and undo?​

Computers and Technology
1 answer:
umka21 [38]2 years ago
3 0

Answer:

Answer in the below

Explanation:

Redo means the previous one and undo means removing it... i am not so sure..

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Consider the following code segment: try : inputFile = open("lyrics.txt", "r") line = inputFile.readline() print(line) _________
aleksandrvk [35]

Answer:

The answer is "except IOError:"

Explanation:

It is part of the exception handling, that stands for input/ output operation fails, this exception aeries when we attempting to access an anti-existent file, in the program so, it will give the program related errors.

  • This type of error is handled in the try block, it also allows you to prepare the deal with the exceptional block.  
  • It also helps you to hide the bugs by using code, if you handle an unexpected error.
6 0
3 years ago
17.8.1: Writing a recursive math function. Write code to complete raise_to_power(). Note: This example is for practicing recursi
Yuliya22 [10]

Answer:

The recursion function is as follows:

def raise_to_power(num, power):

if power == 0:

 return 1

elif power == 1:

 return num

else:

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Explanation:

This defines the function

def raise_to_power(num, power):

If power is 0, this returns 1

if power == 0:

 return 1

If power is 1, this returns num

elif power == 1:

 return num

If otherwise, it calculates the power recursively

else:

 return (num*raise_to_power(num, power-1))

6 0
3 years ago
Write a report on the effectiveness of using thicker bags. Remember to include the effect on the environment and the economy in
malfutka [58]

The effectiveness of using thicker bags are:

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  • It can be used three to six more times.
  • It is environmentally sustainable.

<h3>What is the effect of thicker plastic bags have on the environment?</h3>

The use of plastic bags is known to have some form of detrimental effects on the such as animal choking, pollution, and others.

Conclusively, Note that thicker bags needs a lot of plastic to be able to produce it and it goes to waste even if a person do not use it again.

Learn more about environment from

brainly.com/question/17413226

4 0
2 years ago
___ is code that runs when a specific event happens.
Slav-nsk [51]
A callback function is code that's called, or run, when a specific event such as a click of the mouse, happens.Callback is another name for a callback function. Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
6 0
3 years ago
You often need to have several applications open at the same time. Which requirement is related to this need?
Musya8 [376]

Answer:

processor speed is the answer but not sure

5 0
3 years ago
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