Check Variable Values

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Simple variable value
To check a variable value you need to import the student's code and use dot notation to get the value.
Example, maybe you ask students to assign a variable named num1 the value of 5.
Student Code:
example.py
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num1 = 5
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Grading Tests:
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import unittest
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​
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class CodingRoomsUnitTests(unittest.TestCase):
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​
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    def test_default_case(self):
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        import example
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        self.assertTrue(example.num1 == 5)
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​
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if __name__ == '__main__':
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    unittest.main()
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Number of items in a list
You can do anything you need to with a student's variable value.  For example, we can see if a student created a list with at least 3 items using the len() function. 
Student Code:
example.py
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my_list = ["first thing", "second thing", "third thing"]
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Grading Tests:
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import unittest
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​
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class CodingRoomsUnitTests(unittest.TestCase):
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​
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    def test_default_case(self):
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        import example
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        self.assertTrue( len(example.my_list) >= 3 )
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​
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if __name__ == '__main__':
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    unittest.main()
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Simple variable value

Number of items in a list