how to check if a full path/file is existin in python code example

Example 1: python check if path does not exist

import os
if not os.path.exists('my_folder'):
    os.makedirs('my_folder')

Example 2: python check if file exists

import os

os.path.exists("file.txt") # Or folder, will return true or false

Example 3: check if a file exists

>>> import os
>>> os.path.isfile("d:\\Package1\\package1\\fibo.py")
True
>>> os.path.isfile("d:/Package1/package1/fibo.py")
True
>>> os.path.isfile("d:\\nonexisting.txt")