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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 dump_yaml(data, Dumper=_Dumper, default_flow_style=False):
 """Returns data as yaml-formatted string."""

    content = yaml.dump(data,
                        default_flow_style=default_flow_style,
                        Dumper=Dumper)
    return content.strip()