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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 upload(self, local_path, remote_url):
 """Copy a local file to an S3 location."""

        bucket, key = _parse_url(remote_url)

        with open(local_path, 'rb') as fp:
            return self.call("PutObject", bucket=bucket, key=key, body=fp)