分析8周消费趋势变化

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    trends=pd.read_csv(StringIO(open_url(____).read()))
    weekly=trends.groupby(____)['____'].sum().reset_index().sort_values(____)
    mx=weekly['____'].max()
    print(____)
    for _,r in weekly.iterrows():
        bar='____'*int(____); print(____)
    if len(____)>____:
        f,l=float(____),float(____)
        chg=round((____)/f*____,____) if f>____ else ____
        print(____)