cars = 100 space_in_a_car = 4.0 drivers = 30 passengers = 90 cars_not_driven = cars - drivers cars_driven = drivers carpool_capacity = cars_driven * space_in_a_car average_passengers_per_car = passengers / cars_driven 

print "There are", cars, "cars available." print "There are only", drivers, "drivers available." print "There will be", cars_not_driven, "empty cars today." print "We can transport", carpool_capacity, "people today." print "We have", passengers, "to carpool today." print "We need to put about", average_passengers_per_car, "in each car." 

root@he-desktop:~/mystuff# python ex4.py 

There are 100 cars available.There are only 30 drivers available.There will be 70 empty cars today.We can transport 120.0 people today.We have 90 to carpool today.We need to put about 3 in each car.root@he-desktop:~/mystuff# 

# -- coding: utf-8 -- my_name = 'Zed A. Shaw' my_age = 35 # 沒撒謊哦 my_height = 74 # 英寸 my_weight = 180 # 磅 my_eyes = 'Blue' my_teeth = 'White' my_hair = 'Brown' 

print "let's talk about %s." % my_name print "He's %d inches tall." % my_height print "He's %d pounds heavy." % my_weight print "Actually that's not too heavy." print "He's got %s eyes and %s hair." % (my_eyes, my_hair) print "His teeth are usually %s depending on the coffee." % my_teeth 

# 下面這行比較復雜，嘗試寫對它。 print "If I add %d, %d, and %d I get %d." % (   my_age, my_height, my_weight, my_age + my_height + my_weight) 

root@he-desktop:~/mystuff# python ex5.py

let's talk about Zed A. Shaw.He's 74 inches tall.He's 180 pounds heavy.Actually that's not too heavy.He's got Blue eyes and Brown hair.His teeth are usually White depending on the coffee.If I add 35, 74, and 180 I get 289.root@he-desktop:~/mystuff#