python change encoding to utf-8 code example

Example 1: python open encoding utf-8

from io import open
f = open("test", mode="r", encoding="utf-8")

Example 2: how to convert utf-16 file to utf-8 in python

with open(ff_name, 'rb') as source_file:
  with open(target_file_name, 'w+b') as dest_file:
    contents = source_file.read()
    dest_file.write(contents.decode('utf-16').encode('utf-8'))