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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 ias53(msg):
 """Indicated airspeed, DBS 5,3 message Args: msg (String):
 28 bytes hexadecimal message Returns: int: indicated arispeed in knots """

    d = hex2bin(data(msg))

    if d[12] == '0':
        return None

    ias = bin2int(d[13:23])    # knots
    return ias