日期时间案例演示

案例:准备10个人姓名,然后为这10个人随机生成生日【都是90后】

1、统计出那些人是夏季【6月-8月】出生的。

2、最大的比最小的大多少天

3、谁的生日最早,谁的生日最晚

备注:春季【3-5】夏季【6-8】秋季【9-11】冬季【12-2】

演示:

from datetime import date, timedelta

from random import randint

def build_birthday(list_person_name:list):

   # 初始化存储姓名:生日字典

    name_birthday ={}.fromkeys(list_person_name)

   # 生成生日

    for key in name_birthday:

       temp_year = randint(1990, 1999)

       temp_month = randint(1, 12)

       temp_day = randint(1, 30)

       name_birthday[key] = date(temp_year, temp_month, temp_day)

   # 返回

    return name_birthday

def person_birthday_summer(name_birthday:dict):

   # 用于存储夏天出生的key

    list_person = []

   for key in name_birthday:

       if name_birthday[key].month >= 6 and name_birthday[key].month <= 8:

            list_person.append(key)

   # 返回

    return list_person

def get_person_year_max(name_birthday:dict):

   # 在字典中提取出生日

    person_birth = list(name_birthday.values())

   # 获取最大的生日

    max_birthday = sorted(person_birth)[len(person_birth)-1]

   # 遍历

    for key in name_birthday:

       if name_birthday[key] == max_birthday:

            return key

def get_person_year_min(name_birthday:dict):

   # 在字典中提取出生日

    person_birth = list(name_birthday.values())

   # 获取最小的生日

    min_birthday = sorted(person_birth)[0]

   # 遍历

    for key in name_birthday:

       if name_birthday[key] == min_birthday:

            return key

def get_person_days(name_birthday:dict):

   # 在字典中提取出生日

    person_birth = list(name_birthday.values())

   # 获取最大的生日

    min_birthday = sorted(person_birth)[0]

   max_birthday = sorted(person_birth)[len(person_birth)- 1]

   # 返回天数

    return (max_birthday-min_birthday).days

def get_person_early_birthday(name_birthday:dict):

   for key in name_birthday:

       name_birthday[key] = name_birthday[key].replace(year=1990)

   person_birth = list(name_birthday.values())

   return(sorted(person_birth)[0])

def get_person_later_birthday(name_birthday:dict):

   for key in name_birthday:

       name_birthday[key] = name_birthday[key].replace(year=1990)

   person_birth = list(name_birthday.values())

   return(sorted(person_birth)[len(person_birth)-1])

if __name__ == "__main__":

   list_name = ["赵一", "杨二", "张三", "李四", "王五", "赵六", "马七", "郑八", "刘九", "胡十"]

# list_name中所有的学员生成生日

    name_birthday = build_birthday(list_name)

   print(name_birthday)

   # 调用功能模块

    birthday_summer_list =person_birthday_summer(name_birthday)

   if len(birthday_summer_list) == 0:

       print("没有人的生日是在夏天: ")

   else:

       print("生日为夏天的有:", birthday_summer_list)  # 需求一

    # 需求二

    print("生日最大的:", get_person_year_max(name_birthday))

   print("生日最小的:", get_person_year_min(name_birthday))

   print("最大比最小的天数:", get_person_days(name_birthday))

   # 需求三

    date_early =get_person_early_birthday(name_birthday)

   print("生日最大的是:%d%d"%(date_early.month,date_early.day))

   date_later = get_person_later_birthday(name_birthday)

   print("生日最小的是:%d%d" % (date_later.month, date_early.day))

执行结果:

C:\python\python.exeC:/python/demo/file3.py

{'赵一':datetime.date(1992, 12, 30), '杨二': datetime.date(1995,6, 23), '张三': datetime.date(1990, 6, 21), '李四':datetime.date(1991, 9, 29), '王五':datetime.date(1996, 2, 26), '赵六':datetime.date(1995, 9, 18), '马七':datetime.date(1996, 7, 4), '郑八':datetime.date(1990, 3, 5), '刘九':datetime.date(1992, 3, 3), '胡十':datetime.date(1992, 11, 6)}

生日为夏天的有: ['杨二','张三','马七']

生日最大的: 马七

生日最小的: 郑八

最大比最小的天数: 2313

生日最大的是:2月26日

生日最小的是:12月26日

Process finished with exit code 0

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转载自blog.csdn.net/abby1559/article/details/79973840
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