A character sequenceis a series of bytes. When using UTF-8, not all byte combinations are valid.
After using UTF-8 encoding, a sequence of bytes \xc2\xbcforms a Unicode character U+00BC, which is a character VULGAR FRACTION ONE QUARTER(¼).
After using UTF-8 encoding, a sequence of bytes \xe2\x88\x9cforms a Unicode character U+221C, which is a character FOURTH ROOT(∜).
UTF-8 , UTF-8 byte , \xbc\xbc , 110xxxxx , \xbc is 10111100, .