How to check if an input is a integer, and display a message if it is not Python 3

Question

I am making a code which requires the user to input a number to a question. I want to validate the data that the user types in, and if the answer is not an integer, I want to display an error message. I have looked around, and one solution seemed to be to use ' except ' but that gave a syntax error for me?

It's a little hard to explain what your syntax error is without seeing the code you ran. — chepner, Apr 09 '16 at 18:41

score 1 · Accepted Answer · answered Apr 09 '16 at 18:43

1

Here's how you would do it with try/except:

num = input('Enter a number')
try:
    num = int(num)
except ValueError:
    print('Not a number')

answered Apr 09 '16 at 18:43

Alex Hall

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It does not like ' except ' when I run the code it just gives me a syntax error. – Gordon Apr 09 '16 at 18:49
I can't help you more without seeing the code you wrote. Edit the question, include it, and let me know. – Alex Hall Apr 09 '16 at 18:51
I have figured it out, it was the indentation that was wrong. Thanks for your help. – Gordon Apr 10 '16 at 10:35

How to check if an input is a integer, and display a message if it is not Python 3

1 Answers1