Answers for "unicodedecodeerror: 'charmap' codec can't decode byte 0x90 in position 131: character maps to <undefined>"

UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 6148: character maps to <undefined>

Add encoding:
	
	file = open(filename, encoding="utf8")

'charmap' codec can't decode byte 0x98 in position 11354: character maps to <undefined>

file = open(filename, encoding="utf8")