Format
codes
for the
date.strftime
and
datetime.strftime
functions.
""" semester.py Print all the dates we meet this semester, one per line. """ import sys import datetime hours = [ 0, #Monday 3, #Tuesday 0, #Wednesday 3, #Thursday 0, #Friday 0, #Saturday 0 #Sunday ] holidays = [ #an empty list ] d = datetime.date(2019, 8, 13) #starting date (Tuesday) h = 0 #accumulated hours while h < 90: if d not in holidays: day = d.weekday() #0 for Mon, 1 for Tue, etc. hw = hours[day] #how many hours we meet on this day of the week if hw > 0: h += hw #means h = h + hw print(h, d.strftime("%A, %B %-d, %Y")) d += datetime.timedelta(days = 1) sys.exit(0) #Successful termination.
3 Tuesday, August 13, 2019 6 Thursday, August 15, 2019 9 Tuesday, August 20, 2019 12 Thursday, August 22, 2019 15 Tuesday, August 27, 2019 18 Thursday, August 29, 2019 21 Tuesday, September 3, 2019 24 Thursday, September 5, 2019 27 Tuesday, September 10, 2019 30 Thursday, September 12, 2019 33 Tuesday, September 17, 2019 36 Thursday, September 19, 2019 39 Tuesday, September 24, 2019 42 Thursday, September 26, 2019 45 Tuesday, October 1, 2019 48 Thursday, October 3, 2019 51 Tuesday, October 8, 2019 54 Thursday, October 10, 2019 57 Tuesday, October 15, 2019 60 Thursday, October 17, 2019 63 Tuesday, October 22, 2019 66 Thursday, October 24, 2019 69 Tuesday, October 29, 2019 72 Thursday, October 31, 2019 75 Tuesday, November 5, 2019 78 Thursday, November 7, 2019 81 Tuesday, November 12, 2019 84 Thursday, November 14, 2019 87 Tuesday, November 19, 2019 90 Thursday, November 21, 2019
Count the days we meet.
""" intermissions.py Print the time of each intermission, one per line. Two intermissions would divide the class into three parts. """ import sys import datetime n = input("How many intermissions do you want? ") #Make sure n is an integer. try: n = int(n) except ValueError: print(f"Sorry, {n} is not an integer.") n = 1 print(f"I'll assume you wanted to type {n}.") start = datetime.datetime(2019, 8, 13, 12 + 6, 0) #6:00 p.m. length = datetime.timedelta(hours = 3) n += 1 #means n = n + 1. n is now the number of parts. length /= n #means length = length / n. length is now the length of each part. for i in range(1, n): #Execute the body of the loop n-1 times. t = start + i * length print(t.strftime("%I:%M %p")) #Add %S for seconds. sys.exit(0) #Successful termination.
How many intermissions do you want? 1 07:30 PM
How many intermissions do you want? 2 07:00 PM 08:00 PM
How many intermissions do you want? 3 06:45 PM 07:30 PM 08:15 PM
How many intermissions do you want? 4 06:36 PM 07:12 PM 07:48 PM 08:24 PM