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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 _convert_unsigned(data, fmt):
 """Convert data from signed to unsigned in bulk."""

    num = len(data)
    return struct.unpack(
        "{}{}".format(num, fmt.upper()).encode("utf-8"),
        struct.pack("{}{}".format(num, fmt).encode("utf-8"), *data)
    )