code: def describe_table(self, table_name):
          
          data = {'TableName' : table_name}
          json_input = json.dumps(data)
          return self.make_request('DescribeTable', json_input)
docs: Returns information about the table including current
          state of the table, primary key schema and when the
          table was created.
  
          :type table_name: str
          :param table_name: The name of the table to describe.