Question: Write a value-returning function, isVowel, that returns the value true if a given character is a vowel and otherwise returns false. ***Collect the user's input
Write a value-returning function, isVowel, that returns the value true if a given character is a vowel and otherwise returns false.
***Collect the user's input in the main() and pass it to the isVowel() function. isVowel() function returns true or false.
***Use Call-by-Value (value returning function).
***Validate the user's input (allow only alphabet characters: a through z, or A through Z).
***Allow the user to repeat the program.
OUTPUTS:
**************************************************************************************
Enter an alphabet character: 2
Invalid input.
Please try again.
Enter an alphabet character:
**********************************
Enter an alphabet character: a
a is a vowel: 1
Do you want to repeat this program?
y/n
> y
**********************************
Enter an alphabet character: E
E is a vowel: 1
Do you want to repeat this program?
y/n
> y
**********************************
Enter an alphabet character: B
B is a vowel: 0
Do you want to repeat this program?
y / n
> n
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