python open a file for writing code example

Example 1: python write to file

with open("test.txt",'w',encoding = 'utf-8') as f:
   f.write("my first file\n")
   f.write("This file\n\n")
   f.write("contains three lines\n")

Example 2: python write

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