python 怎么定義一個函數(shù)，輸出日歷

import re

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def command_add(date, event_details, calendar):

'''

Add event_details to the list at calendar[date]

Create date if it was not there

:param date: A string date formatted as "YYYY-MM-DD"

:param event_details: A string describing the event

:param calendars: The calendars database

:return: a string indicating any errors, "" for no errors

'''

try:

p = re.compile(r"\d{4}-\d{2}-\d{2}")

assert p.match(date), "Param date must match YYYY-MM-DD"

assert isinstance(event_details, str), \

"Param event_details must be a string"

if date in calendar:

calendar[date].append(str(event_details))

else:

calendar.update({date: str(event_details)})

except Exception,e:

return str(e)

def main():

calendar = {}

command_add("2015-10-20", "Python class", calendar)

print calendar

command_add("2015-11-01", "go out with friends after test",

calendar)

print calendar

if __name__ == "__main__":

main()

python輸入星座輸出生日代碼

1.

定義一個get_constellation(month,date)函數(shù),來獲取出生日期。

2.

創(chuàng)建一個dates和constellations分別來儲存對應(yīng)的日和星座。

3.

用if語句判斷輸入的日數(shù)是否小于出生月份減一所對應(yīng)的日數(shù)。

4.

如果是就返回月份減一所對應(yīng)的星座,不是就返回出生月份所對應(yīng)的星座。

python 格式化日期

python格式化日期的方法：可以利用time.asctime(time.local(time.time()))函數(shù)來格式化日期。如果我們要獲取當(dāng)前日期，可以利用時間函數(shù)time()來獲取。

python中，怎么把字符串轉(zhuǎn)換為日期格式

python中要把字符串轉(zhuǎn)換成日期格式需要使用time模塊中的strptime函數(shù)，例子如下：

import time

t = time.strptime('2016-05-09 21:09:30', '%y-%m-%d %h:%m:%s')

print(t)執(zhí)行結(jié)果如下：

time.struct_time(tm_year=2016,

tm_mon=5,

tm_mday=9,

tm_hour=21,

tm_min=9,

tm_sec=30,

tm_wday=0,

tm_yday=130,

tm_isdst=-1)

函數(shù)說明：

第一個參數(shù)是要轉(zhuǎn)換成日期格式的字符串，第二個參數(shù)是字符串的格式

函數(shù)官方文檔如下：

help on built-in function strptime in module time:

strptime(...)

strptime(string, format) - struct_time

parse a string to a time tuple according to a format specification.

see the library reference manual for formatting codes (same as

strftime()).

commonly used format codes:

%y year with century as a decimal number.

%m month as a decimal number [01,12].

%d day of the month as a decimal number [01,31].

%h hour (24-hour clock) as a decimal number [00,23].

%m minute as a decimal number [00,59].

%s second as a decimal number [00,61].

%z time zone offset from utc.

%a locale's abbreviated weekday name.

%a locale's full weekday name.

%b locale's abbreviated month name.

%b locale's full month name.

%c locale's appropriate date and time representation.

%i hour (12-hour clock) as a decimal number [01,12].

%p locale's equivalent of either am or pm.

other codes may be available on your platform. see documentation for the c library strftime function.