Question: Write a program to check whether or not an input string is all digits. If the input string is all digits, display All digits.; otherwise,

Write a program to check whether or not an input string is all digits. If the input string is all digits, display "All digits."; otherwise, display "Mixed.". Sample runs Input 1:

Output 1:

All digits.

Input 2:

1a23v

Output 2:

Mixed.

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