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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 open_remote(cls, username, password, multifactor_password=None, client_id=None):
 """Fetches a blob from the server and creates a vault"""

        blob = cls.fetch_blob(username, password, multifactor_password, client_id)
        return cls.open(blob, username, password)