text: import unittest
  from sqrt import newton_sqrt1, newton_sqrt2, lazy_sqrt, builtin_sqrt
  
  
  # This is the test file for my square root functions
  # run this in terminal with python sqrt_test.py
  # optionally you can do verbose mode by adding -v to that command
  
  
  class SqrtTests(unittest.TestCase):
      """Obligatory docstring, test square roots!"""
      def test_sqrt9(self):
          self.assertEqual(lazy_sqrt(9), 3)
  
      def test_sqrt2(self):
          self.assertAlmostEqual(newton_sqrt1(2), 1.41421356237)
  
  
  ​class SquaringTests(unittest.TestCase):
      def test_thing(self):
          pass
  ​
  if __name__ == '__main__':
      unittest.main()
  