PYTHON

is int python

isinstance(n, int) # n = 9, Returns True / n = 5.5, Returns False

python check if string is number

txt = "565543"

x = txt.isnumeric()

python check if number

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

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

check integer number python

N.is_integer()

is number python

import numbers

variable = 5
print(isinstance(5, numbers.Number))