对比工作日与周末订单量和平均客单价

def solve():
    from pyodide.http import open_url
    from io import StringIO
    import pandas as pd
    orders=pd.read_csv(StringIO(open_url(____).read()))
    orders['____']=pd.to_datetime(____).dt.dayofweek
    orders['____']=orders['____'].isin(____).astype(____)
    workday=orders[orders['____']==____]
    weekend=orders[orders['____']==____]
    print(____)
    print(____)