format filename using os in python to a standard form code example

Example 1: PYTHON INSTALL DIR = os.path.dirname(os.path.dirname(os.__file__)) AttributeError: module 'os' has no attribute '_file_'

# Python program to explain os.path.join() method  
    
# importing os module  
import os 
  
# Path 
path = "/home"
  
# Join various path components  
print(os.path.join(path, "User/Desktop", "file.txt"))

Example 2: how to access a txt file through os library in python

my_file_handle=open("folder/test.txt")
my_file_handle.read()