3.跑步锻炼(10)
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周一或1号跑2km(既是周一又是1号跑2km),其余1km,问从2000.1.1(周六)—2020.10.1(周四)共跑多少km?
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import datetime start = datetime.date(2000,1,1) end = datetime.date(2020,10,1) days = datetime.timedelta(days=1) num = 0 while end>=start: if start.weekday()==0 or start.day==1: num+=2 else: num+=1 start = start+days print(num)
导入datetime 库,注意:if 配 or ,时间间隔timedelta 的设置
- 结果: