19. 파이썬 - lambda를 활용해서 정렬 문제 풀어보기

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lambda를 활용해서 정렬 문제 풀어보기

아래 사용자들을 수학, 과학, 영어, 사회 점수의 총 합을 기준으로
총 합이 가장 높은 사람이 첫 번째에 오도록 정렬해주세요

 

 

from pprint import pprint

users = [
    {"name": "Ronald", "age": 30, "math_score": 93, "science_score": 65, "english_score": 93, "social_score": 92},
    {"name": "Amelia", "age": 24, "math_score": 88, "science_score": 52, "english_score": 78, "social_score": 91},
    {"name": "Nathaniel", "age": 28, "math_score": 48, "science_score": 40, "english_score": 49, "social_score": 91},
    {"name": "Sally", "age": 29, "math_score": 100, "science_score": 69, "english_score": 67, "social_score": 82},
    {"name": "Alexander", "age": 30, "math_score": 69, "science_score": 52, "english_score": 98, "social_score": 44},
    {"name": "Madge", "age": 22, "math_score": 52, "science_score": 63, "english_score": 54, "social_score": 47},
    {"name": "Trevor", "age": 23, "math_score": 89, "science_score": 88, "english_score": 69, "social_score": 93},
    {"name": "Andre", "age": 23, "math_score": 50, "science_score": 56, "english_score": 99, "social_score": 54},
    {"name": "Rodney", "age": 16, "math_score": 66, "science_score": 55, "english_score": 58, "social_score": 43},
    {"name": "Raymond", "age": 26, "math_score": 49, "science_score": 55, "english_score": 95, "social_score": 82},
    {"name": "Scott", "age": 15, "math_score": 85, "science_score": 92, "english_score": 56, "social_score": 85},
    {"name": "Jeanette", "age": 28, "math_score": 48, "science_score": 65, "english_score": 77, "social_score": 94},
    {"name": "Sallie", "age": 25, "math_score": 42, "science_score": 72, "english_score": 95, "social_score": 44},
    {"name": "Richard", "age": 21, "math_score": 71, "science_score": 95, "english_score": 61, "social_score": 59},
    {"name": "Callie", "age": 15, "math_score": 98, "science_score": 50, "english_score": 100, "social_score": 74},
]



users.sort(key=lambda x: sum([x["math_score"], x["science_score"], x["english_score"], x["social_score"]]), reverse=True)

pprint(users, width=300, sort_dicts=False)
"""
[{'name': 'Ronald', 'age': 30, 'math_score': 93, 'science_score': 65, 'english_score': 93, 'social_score': 92},
 {'name': 'Trevor', 'age': 23, 'math_score': 89, 'science_score': 88, 'english_score': 69, 'social_score': 93},
 {'name': 'Callie', 'age': 15, 'math_score': 98, 'science_score': 50, 'english_score': 100, 'social_score': 74},
 {'name': 'Sally', 'age': 29, 'math_score': 100, 'science_score': 69, 'english_score': 67, 'social_score': 82},
 {'name': 'Scott', 'age': 15, 'math_score': 85, 'science_score': 92, 'english_score': 56, 'social_score': 85},
 {'name': 'Amelia', 'age': 24, 'math_score': 88, 'science_score': 52, 'english_score': 78, 'social_score': 91},
 {'name': 'Richard', 'age': 21, 'math_score': 71, 'science_score': 95, 'english_score': 61, 'social_score': 59},
 {'name': 'Jeanette', 'age': 28, 'math_score': 48, 'science_score': 65, 'english_score': 77, 'social_score': 94},
 {'name': 'Raymond', 'age': 26, 'math_score': 49, 'science_score': 55, 'english_score': 95, 'social_score': 82},
 {'name': 'Alexander', 'age': 30, 'math_score': 69, 'science_score': 52, 'english_score': 98, 'social_score': 44},
 {'name': 'Andre', 'age': 23, 'math_score': 50, 'science_score': 56, 'english_score': 99, 'social_score': 54},
 {'name': 'Sallie', 'age': 25, 'math_score': 42, 'science_score': 72, 'english_score': 95, 'social_score': 44},
 {'name': 'Nathaniel', 'age': 28, 'math_score': 48, 'science_score': 40, 'english_score': 49, 'social_score': 91},
 {'name': 'Rodney', 'age': 16, 'math_score': 66, 'science_score': 55, 'english_score': 58, 'social_score': 43},
 {'name': 'Madge', 'age': 22, 'math_score': 52, 'science_score': 63, 'english_score': 54, 'social_score': 47}]
"""