Question

# def get_average_club_count(person_to_clubs: Dict[str, List[str]]) -> float: """Return the average number of clubs that a person in...

def get_average_club_count(person_to_clubs: Dict[str, List[str]]) -> float:
"""Return the average number of clubs that a person in person_to_clubs
belongs to.

>>> get_average_club_count(P2C)
1.6
>>> get_average_club_count({'Bob': ['X', 'Y'], 'John': []})
1.0
"""

This is the function I need to test for edge cases, I need to have a test case such that it will detect that the input has been modified(mutation). What test case would I implement?

#### Homework Answers

Answer #1
```def get_average_club_count(person_to_clubs) -> float:
total = 0
for x in person_to_clubs.keys():
total+=len(person_to_clubs[x])
return total/len(person_to_clubs.keys())

# Testing
print(get_average_club_count({'Bob': ['X', 'Y'], 'John': []}))```

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