import unittest


class TestUserCode(unittest.TestCase):
    def _test_variable_equals_string(self, var_name, expected):
        import user_code
        if not hasattr(user_code, var_name):
            return (False, f"Expected '{var_name}' variable to be defined.")
        var = getattr(user_code, var_name)
        if var != expected:
            return (False, f"Expected '{var_name}' to equal '{expected}', but got '{var}'.")
        return (True, f'The variable {var_name} equals "{expected}"')

    def test_learn(self):
        passed, result_text = self._test_variable_equals_string(
            'learn', 'learn')
        self._testMethodName = result_text
        self.assertTrue(passed, result_text)

    def test_painful(self):
        passed, result_text = self._test_variable_equals_string(
            'painful', 'painful')
        self._testMethodName = result_text
        self.assertTrue(passed, result_text)

    def test_mistakes(self):
        passed, result_text = self._test_variable_equals_string(
            'mistakes', 'mistakes')
        self._testMethodName = result_text
        self.assertTrue(passed, result_text)


if __name__ == '__main__':
    unittest.main()


test_main.py

A focused, beginner-friendly course on working with numbers in Python. Learn about integers, floats, arithmetic operations, type conversion, and how to avoid common pitfalls when handling numerical data.

Challenge: Slicing with Index Function

Solution