[Python] 활용편 - 11 - 반복문 (for) 활용(for, list, dictionary, if)

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:: 파이썬 과제 - 반복문 (for) 활용 ::

3. 반복문 (for)

for, list, dictionary, if

 

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3.  반복문 (for)

요구조건 

• 입출력 예제에 있는 사람들 중, 평균 성적이 70점 이상인 사용자의 이름과 나이를 출력해주세요

입출력 예제)

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},
]

def get_filter_user(users):
    # some code
    return filter_users

filter_users = get_filter_user(users)
pprint(filter_users)


""" 아래 처럼 출력하기
[{'age': 30, 'name': 'Ronald'},
 {'age': 24, 'name': 'Amelia'},
 {'age': 29, 'name': 'Sally'},
 {'age': 23, 'name': 'Trevor'},
 {'age': 26, 'name': 'Raymond'},
 {'age': 15, 'name': 'Scott'},
 {'age': 28, 'name': 'Jeanette'},
 {'age': 21, 'name': 'Richard'},
 {'age': 15, 'name': 'Callie'}]
"""

•  

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풀이)

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},
]

def get_filter_user(users):
    # some code
    filter_users = [] # 최종 리스트 형태로 담아주기 위해서 리스트형식으로 변수 지정
    for i in users :
        avr = (i['math_score']+i['science_score']+i['english_score']+i['social_score']) / 4 # 평균점수 구하기
        # i['avr'] = avr # fliter 함수 사용시 기존 딕셔너리에 'avr' key값으로 값을 생성하여 사용가능
        user = {} # 새로 담아줄 딕셔너리 생성
        if avr >= 70 : # 계산한 평균 점수로 70점이상인 사람만 새로운 딕셔너리로 추가
            user['age'] = i['age'] # 기존 'age' key 값을 새로운 user 'age' key 값에 생성 추가
            user['name'] = i['name'] # 기존 'name' key 값을 새로운 user 'name' key 값에 생성 추가
            filter_users.append(user) # 최종 return 리스트 안에 딕셔너리를 담아준다
    return filter_users # 반복문이 전부돌면 최종 리스트를 return 해준다

get_filter_user(users)
filter_users = get_filter_user(users)
pprint(filter_users)

b = [{'age': 30, 'name': 'Ronald'},
     {'age': 24, 'name': 'Amelia'},
     {'age': 29, 'name': 'Sally'},
     {'age': 23, 'name': 'Trevor'},
     {'age': 26, 'name': 'Raymond'},
     {'age': 15, 'name': 'Scott'},
     {'age': 28, 'name': 'Jeanette'},
     {'age': 21, 'name': 'Richard'},
     {'age': 15, 'name': 'Callie'}]
print(filter_users == b)

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실행 예시)

[{'age': 30, 'name': 'Ronald'},
 {'age': 24, 'name': 'Amelia'},
 {'age': 29, 'name': 'Sally'},
 {'age': 23, 'name': 'Trevor'},
 {'age': 26, 'name': 'Raymond'},
 {'age': 15, 'name': 'Scott'},
 {'age': 28, 'name': 'Jeanette'},
 {'age': 21, 'name': 'Richard'},
 {'age': 15, 'name': 'Callie'}]
True

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