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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 copy(self, **replacements):
 """Returns a clone of this M2Coordinate with the given replacements kwargs overlaid."""

    cls = type(self)
    kwargs = {'org': self.org, 'name': self.name, 'ext': self.ext, 'classifier': self.classifier, 'rev': self.rev}
    for key, val in replacements.items():
      kwargs[key] = val
    return cls(**kwargs)