Add part 2 solutions

solutions_part2/exam1.py

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+import grading
+
+student_results = {
+               'John': 3,
+               'Mary': 9,
+               'Peter': 5
+               }
+
+if __name__ == "__main__":
+    print(__name__)
+    for s_name, s_grade in student_results.items():
+        s_feedback = grading.comment_grade(s_grade, mode='negative_reinforcement')
+        print(f'Feedback for {s_name}: {s_feedback}')

solutions_part2/grading.py

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+def comment_grade(grade: int, mode: str = 'normal') -> str :
+    ''' Provide a feedbac k according to the grade value
+    
+        Parameters
+        ----------
+        grade
+            The amount of distance traveled
+        mode
+            The feedback mode, either "normal" (default) or "positive_reinforcement"
+
+        Returns
+        -------
+        comment
+            The grade feedback
+
+        Examples
+        --------
+        >>> comment_grade(5)
+        'Grade high enough'
+    '''
+    if grade < 5:
+        return('Grade too low')
+    elif grade > 5:
+        if mode == 'normal':
+            return('Grade high enough')
+        elif mode == 'positive_reinforcement':
+            return('Well done, keep going!')
+        else:
+            raise ValueError('The mode should be "normal" or "positive_reinforcement"')
+
+def test_comments():
+    assert comment_grade(0, mode='normal') == 'Grade too low'
+    assert comment_grade(2, mode='normal') == 'Grade too low'
+    #assert comment_grade(5, mode='normal') == 'Grade high enough'
+    #assert comment_grade(5, mode='positive_reinforcement') == 'Well done, keep going!'
+    assert comment_grade(10, mode='normal') == 'Grade high enough'
+    assert comment_grade(10, mode='positive_reinforcement') == 'Well done, keep going!'

solutions_part2/step1/exam1.py

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+import grading
+
+student_results = {
+               'John': 3,
+               'Mary': 9,
+               'Peter': 5
+               }
+
+for s_name, s_grade in student_results.items():
+    s_feedback = grading.comment_grade(s_grade, mode='negative_reinforcement')
+    print(f'Feedback for {s_name}: {s_feedback}')

solutions_part2/step1/grading.py

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+def comment_grade(grade: int, mode: str = 'normal') -> str :
+    ''' Provide a feedbac k according to the grade value
+    
+        Parameters
+        ----------
+        grade
+            The amount of distance traveled
+        mode
+            The feedback mode, either "normal" (default) or "positive_reinforcement"
+
+        Returns
+        -------
+        comment
+            The grade feedback
+    '''
+    if grade < 5:
+        return('Grade too low')
+    elif grade > 5:
+        if mode == 'normal':
+            return('Grade high enough')
+        elif mode == 'positive_reinforcement':
+            return('Well done, keep going!')
+        else:
+            raise ValueError('The mode should be "normal" or "positive_reinforcement"')

solutions_part2/step2/exam1.py

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+import grading
+
+student_results = {
+               'John': 3,
+               'Mary': 9,
+               'Peter': 5
+               }
+
+for s_name, s_grade in student_results.items():
+    s_feedback = grading.comment_grade(s_grade, mode='negative_reinforcement')
+    print(f'Feedback for {s_name}: {s_feedback}')

solutions_part2/step2/grading.py

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+def comment_grade(grade: int, mode: str = 'normal') -> str :
+    ''' Provide a feedbac k according to the grade value
+    
+        Parameters
+        ----------
+        grade
+            The amount of distance traveled
+        mode
+            The feedback mode, either "normal" (default) or "positive_reinforcement"
+
+        Returns
+        -------
+        comment
+            The grade feedback
+    '''
+    if grade < 5:
+        return('Grade too low')
+    elif grade >= 5:
+        if mode == 'normal':
+            return('Grade high enough')
+        elif mode == 'positive_reinforcement':
+            return('Well done, keep going!')
+        else:
+            raise ValueError('The mode should be "normal" or "positive_reinforcement"')

solutions_part2/step3/grading.py

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+def comment_grade(grade: int, mode: str = 'normal') -> str :
+    ''' Provide a feedbac k according to the grade value
+    
+        Parameters
+        ----------
+        grade
+            The amount of distance traveled
+        mode
+            The feedback mode, either "normal" (default) or "positive_reinforcement"
+
+        Returns
+        -------
+        comment
+            The grade feedback
+    '''
+    if grade < 5:
+        return('Grade too low')
+    elif grade > 5:
+        if mode == 'normal':
+            return('Grade high enough')
+        elif mode == 'positive_reinforcement':
+            return('Well done, keep going!')
+        else:
+            raise ValueError('The mode should be "normal" or "positive_reinforcement"')
+
+def test_comments():
+    assert comment_grade(0, mode='normal') == 'Grade too low'
+    assert comment_grade(2, mode='normal') == 'Grade too low'
+    assert comment_grade(5, mode='normal') == 'Grade high enough'
+    assert comment_grade(5, mode='positive_reinforcement') == 'Well done, keep going!'
+    assert comment_grade(10, mode='normal') == 'Grade high enough'
+    assert comment_grade(10, mode='positive_reinforcement') == 'Well done, keep going!'

solutions_part2/step4/grading.py

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+def comment_grade(grade: int, mode: str = 'normal') -> str :
+    ''' Provide a feedbac k according to the grade value
+    
+        Parameters
+        ----------
+        grade
+            The amount of distance traveled
+        mode
+            The feedback mode, either "normal" (default) or "positive_reinforcement"
+
+        Returns
+        -------
+        comment
+            The grade feedback
+
+        Examples
+        --------
+        >>> comment_grade(5)
+        'Grade high enough!'
+    '''
+    if grade < 5:
+        return('Grade too low')
+    elif grade >= 5:
+        if mode == 'normal':
+            return('Grade high enough')
+        elif mode == 'positive_reinforcement':
+            return('Well done, keep going!')
+        else:
+            raise ValueError('The mode should be "normal" or "positive_reinforcement"')
+
+def test_comments():
+    assert comment_grade(0, mode='normal') == 'Grade too low'
+    assert comment_grade(2, mode='normal') == 'Grade too low'
+    assert comment_grade(5, mode='normal') == 'Grade high enough'
+    assert comment_grade(5, mode='positive_reinforcement') == 'Well done, keep going!'
+    assert comment_grade(10, mode='normal') == 'Grade high enough'
+    assert comment_grade(10, mode='positive_reinforcement') == 'Well done, keep going!'