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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 str_to_two_byte_iter(string):
 """ Return a iter consisting of two byte chars from a string. """

    bstring = string.encode()
    bytes = bytearray()
    for char in bstring:
        bytes.append(char)
        bytes.append(0)
    return bytes