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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 get_word(byte_iterator):
 """ return a uint16 value 7698 '0x1e12' """

    byte_values = list(itertools.islice(byte_iterator, 2))
    try:
        word = (byte_values[0] << 8) | byte_values[1]
    except TypeError, err:
        raise TypeError("Can't build word from %s: %s" % (repr(byte_values), err))
    return word