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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 mach53(msg):
 """MACH number, DBS 5,3 message Args: msg (String):
 28 bytes hexadecimal message Returns: float: MACH number """

    d = hex2bin(data(msg))

    if d[23] == '0':
        return None

    mach = bin2int(d[24:33]) * 0.008
    return round(mach, 3)