code: def mid_point(self):
          '''
          Returns the midpoint of the arc as a 1x2 numpy array.
          '''
          midpoint_angle = self.from_angle + self.sign*self.length_degrees() / 2
          return self.angle_as_point(midpoint_anglef mid_point(self):
          '''
          Returns the midpoint of the arc as a 1x2 numpy array.
          '''
          midpoint_angle = self.from_angle + self.sign*self.length_degrees() / 2
          return self.angle_as_point(midpoint_angle)
docs: Returns the midpoint of the arc as a 1x2 numpy array.