Answers for "unicodedecodeerror: 'charmap' codec can't decode byte 0x9d in position 1277: 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")

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")

return codecs.charmap_decode(input,self.errors,decoding_table)[0] UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 280: character maps to <undefined>

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

UnicodeDecodeError: 'charmap' codec can't decode byte 0x9e in position 3359: character maps to <undefined>

#add the encoding parameter for open method
with open(filename, encoding='utf8') as infile:

'charmap' codec can't decode byte 0x9d in position 846: character maps to <undefined>

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