《Python 编程-从入门到实践》4-1~4-15

4-1  披萨：

pizzas = ["Seafood pizza","Sausage pizza","Cheese pizza"]
for pizza in pizzas:
	print(pizza)

pizzas = ["Seafood pizza","Sausage pizza","Cheese pizza"]
for pizza in pizzas:
	print("I like "+pizza)
print("I really love pizza")

4-6 奇数：

nums = list(range(1,20,2))
for num in nums: 
	print(num)

4-10 切片：

nums = list(range(1,20,2))
part = nums[0:5] 
print(part)