code: def get_variable(self, name):
          
          name = get_op_tensor_name(name)[1]
          if len(self.vs_name):
              name_with_vs = self.vs_name + "/" + name
          else:
              name_with_vs = name
          return get_op_or_tensor_by_name(name_with_vs)
docs: Get a variable used in this tower.
          The name should not contain the variable scope prefix of the tower.
  
          When the tower has the same variable scope and name scope, this is equivalent to
          :meth:`get_tensor`.