Python第四章课后作业

4-1比萨：

pizzas=['apple_pizza','banana_pizza','beef_pizza']
for pizza in pizzas:
	print('I like '+pizza)
print('I really like pizza')

运行结果：

4-2动物：

animals=['dog','cat','tortoise']
for animal in animals:
	print('A '+animal+' would make a great pet')
print('Any of these animals would make a great pet')

运行结果：

4-3数到20：

for num in range(1,21):
	print(num,end=' ')
print('\n')

运行结果：