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初级

读取CSV并查看前5行

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初级参考 完整示例代码供参考，建议自己理解后重新输入 
def solve():
    import pandas as pd
    df = pd.read_csv('https://liangdaima.com/static/data/ds_titanic.csv')
    print(df.head().to_dict())

示例

输入
solve()
期望输出
{'passenger_id': {0: 1, 1: 2, 2: 3, 3: 4, 4: 5}, 'survived': {0: 0, 1: 1, 2: 1, 3: 1, 4: 0}, 'pclass': {0: 3, 1: 1, 2: 3, 3: 1, 4: 3}, 'name': {0: 'Braund, Mr. Owen Harris', 1: 'Cumings, Mrs. John Bradley', 2: 'Heikkinen, Miss. Laina', 3: 'Futrelle, Mrs. Jacques Heath', 4: 'Allen, Mr. William Henry'}, 'sex': {0: 'male', 1: 'female', 2: 'female', 3: 'female', 4: 'male'}, 'age': {0: 22.0, 1: 38.0, 2: 26.0, 3: 35.0, 4: 35.0}, 'sibsp': {0: 1, 1: 1, 2: 0, 3: 1, 4: 0}, 'parch': {0: 0, 1: 0, 2: 0, 3: 0, 4: 0}, 'fare': {0: 7.25, 1: 71.28, 2: 7.92, 3: 53.1, 4: 8.05}, 'embarked': {0: 'S', 1: 'C', 2: 'S', 3: 'S', 4: 'S'}}
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