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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 s3path(self, rel_path):
 """Return the path as an S3 schema"""

        import urlparse

        path = self.path(rel_path, public_url=True)

        parts = list(urlparse.urlparse(path))

        parts[0] = 's3'
        parts[1] = self.bucket_name

        return urlparse.urlunparse(parts)