Python time processing datetime example

There are many chapters in Python Cook's book that introduce the use of a certain library or realize some complex functions by combining multiple functions. I directly skipped some chapters on file processing in the previous chapter and went directly to the chapter on time operations.

At the same time, datetime is also briefly introduced. Because there are many things that you need to use yourself, it is most effective to look for help.
Example:
Calculate the previous Friday and output it.
Answer:

Copy code The code is as follows:

import datetime, calendar

lastFriday = datetime.date. today( )
oneday = datetime.timedelta(days=1)
lastFriday -= oneday
while lastFriday.weekday( ) != calendar.FRIDAY:
lastFriday -= oneday
print lastFriday .strftime('%A, %d-%b-%Y')

Output result:
Friday, 09-May-2008

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