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How to say that an input needs to be a number python

Python check if input is a number

user_input = input("Enter something:")

if type(user_input) == int:
    return user_input
else:
    print("Not a number")

3

Source: stackoverflow.com

How to say that an input needs to be a number python

try:
   val = int(userInput)
except ValueError:
   print("That's not an int!")

2

Source: stackoverflow.com

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