python add text to a file code example

Example 1: python append to file

with open(filename, "a+") as f:
  f.write('Hello World')

Example 2: how to save to file in python

with open('data.txt', 'w') as my_data_file:
   my_data_file.write(WhateverYourInputIs)
# After leaving the above block of code, the file is closed
# "w" overwrites the contents of the file