分析作业分数与课程评分相关性

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    subs_csv = open_url(____).read()
    courses_csv = open_url(____).read()
    subs = pd.read_csv(StringIO(____))
    courses = pd.read_csv(StringIO(____))
    avg_scores = subs.groupby(____)['____'].mean()
    courses['____'] = courses['____'].map(____)
    corr = courses['____'].corr(____)
    print(____)