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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_checksum(checksum_pyxb):
 """Create string representation of a PyXB Checksum object. Args: PyXB Checksum object Returns: str : Combined hexadecimal value and algorithm name. """

    return '{}/{}'.format(
        checksum_pyxb.algorithm.upper().replace('-', ''), checksum_pyxb.value().lower()
    )