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  1. import unittest
  2.  
  3. class Student(object):
  4.     def __init__(self, name, score):
  5.         try:
  6.             self.name = name
  7.             self.score = score
  8.         except ValueError as e:
  9.             raise ValueError
  10.  
  11.     def get_grade(self):
  12.         if 60 <= self.score < 80:
  13.             return 'B'
  14.         if 80 <= self.score <= 100:
  15.             return 'A'
  16.         if self.score>100 or self.score<0:
  17.             raise ValueError
  18.         return 'C'
  19.  
  20. class TestStudent(unittest.TestCase):
  21.  
  22.     def test_80_to_100(self):
  23.         s1 = Student('Bart', 80)
  24.         s2 = Student('Lisa', 100)
  25.         self.assertEqual(s1.get_grade(), 'A')
  26.         self.assertEqual(s2.get_grade(), 'A')
  27.  
  28.     def test_60_to_80(self):
  29.         s1 = Student('Bart', 60)
  30.         s2 = Student('Lisa', 79)
  31.         self.assertEqual(s1.get_grade(), 'B')
  32.         self.assertEqual(s2.get_grade(), 'B')
  33.  
  34.     def test_0_to_60(self):
  35.         s1 = Student('Bart', 0)
  36.         s2 = Student('Lisa', 59)
  37.         self.assertEqual(s1.get_grade(), 'C')
  38.         self.assertEqual(s2.get_grade(), 'C')
  39.  
  40.     def test_invalid(self):
  41.         s1 = Student('Bart', -1)
  42.         s2 = Student('Lisa', 101)
  43.         with self.assertRaises(ValueError):
  44.             s1.get_grade()
  45.         with self.assertRaises(ValueError):
  46.             s2.get_grade()
  47.  
  48. if __name__ == '__main__':
  49.     unittest.main()
  50. # your code goes here
Success #stdin #stdout #stderr 0.52s 20284KB
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Standard input is empty
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Standard output is empty
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....
----------------------------------------------------------------------
Ran 4 tests in 0.001s

OK
https://ideone.com/WRF55C
language:
Python 3 (python  3.12)
created:
5 days ago
visibility:
public

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