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初级

加载卡片库并统计类型分布

未完成
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():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    cards=pd.read_csv(StringIO(open_url("https://data.zuihe.com/dbd/ms-memcard/state_00/cards.csv").read()))
    print(f"Total cards: {len(cards)}")
    print(f"By type: {dict(cards.groupby('card_type').size())}")
    print(f"By topic: {dict(cards.groupby('tags').size().nlargest(5))}")
    print(f"Users: {cards['user_id'].nunique()}")
    print(f"Decks: {cards['deck_id'].nunique()}")
    print(f"From materials: {len(cards[cards['source_material_id']!=''])} ({round(len(cards[cards['source_material_id']!=''])/len(cards)*100,1)}%)")

示例

输入
solve()
期望输出
Total cards: 1852
By type: {'cloze': np.int64(438), 'qa': np.int64(1414)}
By topic: {'programming': np.int64(417), 'en_vocab': np.int64(206), 'math': np.int64(201), 'ja_vocab': np.int64(182), 'es_vocab': np.int64(150)}
Users: 20
Decks: 65
From materials: 1852 (100.0%)
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