【HW】第四章作业 2018.3.14

Python代码：

#Chapter 4 by szh 2018.3.14
print("\n4.1")
pizzas = ['New Orleans', 'Cheese Lover', 'Black Pepper Beef', 'Sausage Bite']
for pizza in pizzas:
	print(pizza)

for pizza in pizzas:
	print("I like " + pizza + "pizza!")

print("I really love pizza.")

print("\n4.2")
animals = ['dog', 'cat', 'rabbit']
for animal in animals:
	print(animal)

for animal in animals:
	print("A " + animal + " would make a great pet")

print("Any of these animals would make a great pet!")

print("\n4.3")
for i in range(1, 21):
	print(i)

print("\n4.4")
nums = list(range(1, 1000001))
for i in range(30):
	print(nums[i])
print("...")

print("\n4.5")
print(min(nums))
print(max(nums))
print(sum(nums))

print("\n4.6")
nums = list(range(1, 21, 2))
for num in nums:
	print(num)

print("\n4.7")
nums = list(range(3, 31, 3))
for num in nums:
	print(num)

print("\n4.8")
nums = []
for i in range(1, 11):
	nums.append(i ** 3)
for num in nums:
	print(num)

print("\n4.9")
nums = [i**3 for i in range(1,11)]
for num in nums:
	print(num)

print("\n4.10")
print("The first three items in the list are:")
print(nums[0:3])
print("Three items from the middle of the list are:")
print(nums[3:6])
print("The last three items in the list are:")
print(nums[-3:])

print("\n4.11")
friend_pizzas = pizzas[:]
pizzas.append('Popcorn Chicken')
friend_pizzas.append('Super Supreme')
print("My favorite pizzas are:")
print(pizzas)
print("My friend's favorite pizzas are:")
print(friend_pizzas)

print("\n4.13")
foods = ('pizza', 'lobster', 'sandwich', 'peanut', 'brandy')
for food in foods:
	print(food)
print("\nafter change:")
foods = ('pizza', 'lobster', 'sandwich', 'tea', 'bonbon')
for food in foods:
	print(food)

输出结果：

4.1
New Orleans
Cheese Lover
Black Pepper Beef
Sausage Bite
I like New Orleanspizza!
I like Cheese Loverpizza!
I like Black Pepper Beefpizza!
I like Sausage Bitepizza!
I really love pizza.

4.2
dog
cat
rabbit
A dog would make a great pet
A cat would make a great pet
A rabbit would make a great pet
Any of these animals would make a great pet!

4.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

4.4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
...

4.5
1
1000000
500000500000

4.6
1
3
5
7
9
11
13
15
17
19

4.7
3
6
9
12
15
18
21
24
27
30

4.8
1
8
27
64
125
216
343
512
729
1000

4.9
1
8
27
64
125
216
343
512
729
1000

4.10
The first three items in the list are:
[1, 8, 27]
Three items from the middle of the list are:
[64, 125, 216]
The last three items in the list are:
[512, 729, 1000]

4.11
My favorite pizzas are:
['New Orleans', 'Cheese Lover', 'Black Pepper Beef', 'Sausage Bite', 'Popcorn Chicken']
My friend's favorite pizzas are:
['New Orleans', 'Cheese Lover', 'Black Pepper Beef', 'Sausage Bite', 'Super Supreme']

4.13
pizza
lobster
sandwich
peanut
brandy

after change:
pizza
lobster
sandwich
tea
bonbon