What would be displayed if we printed the string variable phrase after line 21?

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A: Here is DFA of the above problem. See below steps.

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A: In this question we have to write a code in python for a string manipulation Let's code

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Q: what about if all the string s are lowercase?

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Q: w what a string is?

A: given- How do you know what a string is?

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A: After updating the code, I have provided  C++  CODE  along  with  CODE  SCREENSHOT  and  OUTPUT…

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A: Lets see the solution.

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Q: Show an example of calling the MessageBox function.

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A: I give the explanation theory wise and also provide the output screenshot

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A: Since the programming language is not mentioned so I have used the Python language. Write a Python…

Q: 4. Write a regular expression that matches all strings over the alphabet (a, b, c) that contain: i)…

A: Here is DFA of the above problem. See below steps.