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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 default_diff(latest_config, current_config):
 """Determine if two revisions have actually changed."""

    # Pop off the fields we don't care about:
    pop_no_diff_fields(latest_config, current_config)

    diff = DeepDiff(
        latest_config,
        current_config,
        ignore_order=True
    )
    return diff