3.14python作业

Python编程作业：遍历与操作列表

最新推荐文章于 2025-07-14 07:46:18 发布

原创最新推荐文章于 2025-07-14 07:46:18 发布 · 529 阅读

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这篇博客展示了Python编程中的几个基本操作，包括使用for循环遍历列表打印元素，计算列表最大值、最小值及总和，列表推导式生成立方数列表，以及切片操作显示列表的部分元素。此外，还演示了如何修改列表元素和重新定义列表。

# 4-2
animals = ['cat', 'dog', 'tiger']
for animal in animals:
    print(animal)

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

print('Any of these animals has a mouth!')



# 4-3
nums = list(range(1,21))
print(nums)
# 4-4
nums1 = list(range(1,1000001))
print(nums1)
# 4-5
print(min(nums1))
print(max(nums1))
aaa = sum(nums1)
print(aaa)


# 4-9
list = [value**3 for value in range(1,11)]
print(list)


# 4-10
print("The first three items in the list are:")
for num in nums[:3]:
    print(num)

print("The last three items in the list are:")
for num in nums[-3:]:
    print(num)


# 4-13
foods = ('fish', 'beef', 'mutton', 'vegetable', 'pork')
for food in foods:
    print(food)
# foods[0] = 'apple'

foods = ('apple', 'beef', 'mutton', 'banana', 'pork')
for food in foods:
    print(food)