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ex1.py
1 print "Hello World!" 2 print "Hello Qiwei" 3 print "I like typing this." 4 print "This is fun." 5 print ‘Yay! Printing.‘ 6 print "I‘d much rather you ‘not‘." 7 print ‘I "said" do not touch this.‘
ex2.py Comments and Pound Characters
1 #A comment, this is so you can read your program later. 2 #Anything after the # is ignored by python. 3 4 print "I could have code like this." #and the comment after is ignored 5 6 #You can also use a comment to "disable" or comment out a piece of code; 7 #print "This won‘t run." 8 9 print "This will run."
ex3.py Numbers and Math
1 print "I will now count my chickens:" 2 3 print "Hens", 25 + 30 /6 4 print "Roosters", 100 - 25 * 3 %4 5 6 print "Now I will count the eggs:" 7 8 print 3 + 2 + 1 -5 + 4 % 2 - 1 / 4 + 6 9 10 print "Is it true that 3 + 2 < 5 - 7?" 11 12 print 3 + 2 < 5 - 7 13 14 print "What is 3 + 2?", 3 + 2 15 print "What is 5 - 7?", 5 - 7 16 17 print "Oh, that‘s why it‘s False." 18 19 print "How about some more." 20 21 print "Is it greater?", 5 > -2 22 print "Is it greater or equal", 5 >= -2 23 print "Is it less or equal?", 5 <= -2
ex4.py Variables And Names
1 cars = 100 2 space_in_a_car = 4.0 3 drivers = 30 4 passengers = 90 5 cars_not_driven = cars - drivers 6 cars_driven = drivers 7 carpool_capacity = cars_driven * space_in_a_car 8 average_passengers_per_car = passengers / cars_driven 9 10 print "There are", cars, "cars available." 11 print "There are only", drivers, "drivers available" 12 print "There will be", cars_not_driven, "empty cars today." 13 print "We can transprot", carpool_capacity, "people today." 14 print "We have", passengers, "to carpool today." 15 print "We need to put about", average_passengers_per_car, "in each car."
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原文地址:http://www.cnblogs.com/elewei/p/4769811.html