switch statement input validation
I am trying to validate that the user has used not only the correct letter, but also has not tried to input a number. Is there a shorter or easier way than I have come up with?
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a) use 'a', not a
b) are you trying to validate input before passing in into switch? If so, just include a default clause which will deal with unproper input
b) are you trying to validate input before passing in into switch? If so, just include a default clause which will deal with unproper input
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