生成用户复习进度报表

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    schedules=pd.read_csv(StringIO(open_url(____).read()))
    users=pd.read_csv(StringIO(open_url(____).read()))
    def progress_report(____):
        s=schedules[schedules['____']==uid]
        if s.empty: return None
        total=len(____); by_status=dict(s.groupby(____).size())
        mastered=by_status.get(____)
        mastery_pct=round(____) if total>____ else ____
        avg_ef=round(s['____'].mean(),____)
        return {'____':total,'____':by_status.get(____),'____':by_status.get(____),'____':mastered,'____':by_status.get(____),'____':mastery_pct,'____':avg_ef}
    print(____)
    for _,u in users.head(____).iterrows():
        r=progress_report(____)
        if r: print(____)