It is showing this: Wrong Answer. Your program's output doesn't match the expecte


#1

It is showing this:
Wrong Answer. Your program’s output doesn’t match the expected output. You can try testing your code with custom input and try putting debug statements in your code.
Your submission failed for the following input:
A : 1
Your function returned the following :
A
The expected returned value :
A
If my answer is the same as the expected answer then why is it showing error?


#2

Did you check for white spaces in your answer?