2018年1月11日 星期四

Python: Input a number, if it is not a number generate an error message

Python: Input a number, if it is not a number generate an error message

Python Basic: Exercise-113 with Solution

Write a Python program to input a number, if it is not a number generate an error message.
Sample Solution:-
while True:
    try:
        a = int(input("Input a number: "))
        break
    except ValueError:
        print("\nThis is not a number. Try again...")
        print()
========= RESTART: F:/Python_APSC/py-ex-basic-113.py ==========
Input a number: a12

This is not a number. Try again...

Input a number: 34
>>> 

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