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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 is_traditional(s):
 """Check if a string's Chinese characters are Traditional. This is equivalent to: """

    chinese = _get_hanzi(s)
    if not chinese:
        return False
    elif chinese.issubset(_SHARED_CHARACTERS):
        return True
    elif chinese.issubset(_TRADITIONAL_CHARACTERS):
        return True
    return False