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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 format_packet(command):
 """Format packet to be sent."""

        frame_header = b"\xaa"
        verify = b"\x0b"
        send_delim = b"\xbb"
        return frame_header + command.ljust(17, b"\x00") + verify + send_delim