how to erase a file in python code example

Example 1: python delete file

import os
import shutil

if os.path.exists("demofile.txt"):
  os.remove("demofile.txt") # one file at a time

os.rmdir("test_directory") # removes empty directory
shutil.rmtree("test_directory") # removes not empty directory and its content

Example 2: clearing all text from a file in python

fileVariable = open('textDocName.txt', 'r+')
fileVariable.truncate(0)
fileVariable.close()

Example 3: how to delete everything on a file python

f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+