在编程中多多使用函数,模块和包能够提升模块化编程。
模块与包
输入日期, 判断这一天是这一年的第几天?
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| import datetime def get_days(): year = 2022 month = 2 day = 11 date_current = datetime.datetime(year=year, month=month, day=day) time_tuple = date_current.timetuple() return time_tuple.tm_yday get_days()
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42
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| def get_days(): year = 2022 month = 2 day = 11 date_first = datetime.datetime(year=year, month=1, day=1) date_current = datetime.datetime(year=year, month=month, day=day) return (date_current - date_first).days + 1 get_days()
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42
打乱一个排好序的list对象alist
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| import random alist = [1,2,3,4,5] random.shuffle(alist) print(alist)
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[2, 3, 4, 5, 1]
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| import random
alist = [1,2,3,4,5] results = [] for i in range(len(alist)): random_item = random.choice(alist) results.append(random_item) alist.remove(random_item) results
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[2, 5, 3, 4, 1]