text: """Unit test for conditional statements"""
  import unittest
  
  class ConditionalTests(unittest.TestCase):
      def test_if(self):
          flag1 = False
          flag2 = False
          x = 1
          if x == 1:
              flag1 = True
          self.assertTrue(flag1)
          if x == 2:
              flag2 = True
          self.assertFalse(flag2)
  
      def test_else(self):
          flag1 = False
          flag2 = False
          if 0 == 1:
              flag1 = True
          else:
              flag2 = True
          self.assertFalse(flag1)
          self.assertTrue(flag2)
  
      def test_elif(self):
          flag1, flag2, flag3 = False, False, False
          if 0 == 1:
              flag1 = True
          elif 1 == 1:
              flag2 = True
          else:
              flag3 = True
          self.assertFalse(flag1)
          self.assertTrue(flag2)
          self.assertFalse(flag3)
  
      def test_returns(self):
          def f1():
              return "Yes" if True else "No"
          def f2():
              return "Yes" if False else "No"
          self.assertEqual(f1(), "Yes")
          self.assertEqual(f2(), "No")
          def test(self):
              def f():
                  return 10
              def g():
                  return 20
              retval = True
              def h():
                  global retval
                  retval = not retval
                  return retval
              a = []
              for i in range(3):
                  a.append(f() if h() else g())
              self.assertEqual(a, [20, 10, 20])
  
  if __name__ == '__main__':
      unittest.main()
              
          
  