统计各时段直播场次分布

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_02/live_sessions.csv').read()
    df = pd.read_csv(StringIO(csv_data))
    df['start_time'] = pd.to_datetime(df['start_time'])
    df['hour'] = df['start_time'].dt.hour
    result = df['hour'].value_counts().sort_index()
    for hour, count in result.items():
        print(f'{hour}:00-{hour+1}:00: {count}场')