code: def test_point_slices(self):
      point = Point(self.lat, self.lon, self.alt)
      self.assertEqual((self.lat, self.lon), point[:2])
  
      self.assertEqual(self.coords, point[:10])
      self.assertEqual(self.coords, point[:])
      self.assertEqual(self.coords[::-1], point[::-1])
  
      with self.assertRaises(IndexError):
          point[10]
  
      with self.assertRaises(TypeError):
          point[None]
  
      point[0:2] = (self.lat + 10, self.lon + 10)
      self.assertEqual(
          (self.lat + 10, self.lon + 10, self.alt), tuple(point)
      )
  
imports: import math
  import pickle
  import sys
  import unittest
  import warnings
  from geopy.point import Point
label_desc: Use image node_id 16 for calling the PointTestCase obj's underlying member method code with example usage: obj.test_point_slices() without return types