Answers for "Error downloading the file 'charmap' codec can't decode byte 0x81 in position 251: character maps to <undefined>"

UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 92: character maps to <undefined>

#that's worked for me 

file = open(filepath,"r", encoding="utf8")

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

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