how to check number in python code example

Example 1: python check if number

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

Example 2: python check if string is in input

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

Example 3: check integer number python

N.is_integer()

Example 4: 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 5: python is integer

(1.23).is_integer() # Returns false