python program if int in string code example

Example 1: python test if number in string

>>> def hasNumbers(inputString):
...     return any(char.isdigit() for char in inputString)
... 
>>> hasNumbers("I own 1 dog")
True
>>> hasNumbers("I own no dog")
False

Example 2: python test if string is int

'16'.isdigit()
>>>True

'3.14'.isdigit()
>>>False

'Some text'.isdigit()
>>>False

Example 3: pyton how to tell if string is a int or string

def RepresentsInt(s):
    try: 
        int(s)
        return True
    except ValueError:
        return False

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