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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def char_width(char):
 """ Get the display length of a unicode character. """

    if ord(char) < 128:
        return 1
    elif unicodedata.east_asian_width(char) in ('F', 'W'):
        return 2
    elif unicodedata.category(char) in ('Mn',):
        return 0
    else:
        return 1