【Python】Learn Python the hard way, ex4 使用变量

cars = 100space_in_a_car = 4.0drivers = 30passengers = 90cars_not_driven = cars - driverscars_driven = driverscarpool_capacity = cars_driven * space_in_a_caraverage_passengers_per_car = passengers / cars_drivenprint "There are", cars, "cars available."print "There are only", drivers, "drivers availabe."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."'''Test Results:There are 100 cars available.There are only 30 drivers availabe.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.'''

心得：

1，想起了当年学习C++时，一个有意义的变量名的事情

2，一次全敲对也不容易