opening files one by one from directory in pythonm code example

Example 1: python open each file in directory

import os
for filename in os.listdir(os.getcwd()):
   with open(os.path.join(os.cwd(), filename), 'r') as f:

Example 2: open file in python directory

path = 'C:\\Users\\Username\\Path\\To\\File'
file=open(path, "r")