import pandas as pd
import time
dates = pd.Series(pd.date_range('1920','2021'))
lst = [time.strptime(str(d), "%Y-%m-%d %X").tm_wday for d in list(dates) if '-05-01' in str(d)]
print(lst)
weeks = ['星期日','星期一','星期二','星期三','星期四','星期五','星期六']
weekinfo = {weeks[i]:lst.count(i) for i in range(7)}
print(weekinfo)
怎么样才能输出1920-5-1 1921-5-1 1923-5-1 2021-5-1这样的效果,用什么命令