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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 table_update(self, table_name, table_info):
 """Updates the Table info. Args: table_name: the name of the table to update as a tuple of components. table_info: the Table resource with updated fields. """

    url = Api._ENDPOINT + (Api._TABLES_PATH % table_name)
    return datalab.utils.Http.request(url, method='PUT', data=table_info,
                                      credentials=self._credentials)