text: import unittest
  
  from pylings.ex_for_beginner import sum_of_range10
  
  
  class SumOfRange10TestCase(unittest.TestCase):
      def test_(self):
          expect = [1, 3, 6, 10, 15, 21, 28, 36, 45, 55]
          actual = sum_of_range10.main()
  
          self.assertListEqual(expect, actual)
  