'charmap' codec can't decode byte 0x9d in position 688: character maps to <undefined> code example
Example 1: 'charmap' codec can't decode byte 0x98 in position
file = open(filename, encoding="utf8")
Example 2: UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 92: character maps to
file = open(filename, encoding="cp437")