加载课程数据并统计分类分布

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    csv_data = open_url('https://data.zuihe.com/dbd/ms-edulive/state_01/courses.csv').read()
    df = pd.read_csv(StringIO(csv_data))
    result = df['category_id'].value_counts()
    for cat, count in result.items():
        print(f'分类{cat}: {count}门课程')