We use pathlib and forward slashes so that the Path() function can be used to automatically convert backslash to forward slash on Linux systems.

Does file exist?

from pathlib import Path

if not Path('C:/MyDirectoryname/MyFileName.txt').exists():
   print("Does not exist")

Getting file name elements

from pathlib import Path

    my_path = Path("some_folder/some_sub_folder/my_filename.txt")
    
    print(my_path.name)    #Prints "my_filename.txt"
    print(my_path.suffix)  #Prints "txt
    print(my_path.stem)    #Prints "my_filename"

Delete file

import os

if os.path.exists("myfile.txt"):
  os.remove("myfile.txt")