python check string is number code example

Example 1: python test if string is int

'16'.isdigit()
>>>True

'3.14'.isdigit()
>>>False

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

Example 2: python check if number

if type(variable) == int or type(variable) == float:
    isNumber = True

Example 3: is number python

var.isdigit()
#return true if all the chars in the string are numbers
#return false if not all the chars in the string are numbers

Example 4: test if character is number python string

>>> 'A'.isdigit()
False
>>> '1'.isdigit()
True

Example 5: python check if string is number

txt = "565543"

x = txt.isnumeric()