original_docstring: 
          fit the parameter x and y.
          :param x: training data x
          :param y: training data y
          :return: theta
          
docstring: fit the parameter x and y.
docstring_tokens: fit the parameter x and y .
code: def fit(self, x, y):
          """
          fit the parameter x and y.
          :param x: training data x
          :param y: training data y
          :return: theta
          """
          self.theta = self.get_theta(x, y)
code_tokens: def fit ( self , x , y ) : self . theta = self . get_theta ( x , y )
short_docstring: fit the parameter x and y.
short_docstring_tokens: fit the parameter x and y .
comment: """
          fit the parameter x and y.
          :param x: training data x
          :param y: training data y
          :return: theta
          """