Python 集合 copy() 方法Python 集合方法实例复制 fruits 集合：fruits = {"apple", "banana", "cherry"}x = fruits.copy()print(x)完整实例：fruits = {"apple", "banana", "c
Python 集合 clear() 方法Python 集合方法实例从 fruits 集合删除所有元素：fruits = {"apple", "banana", "cherry"}fruits.clear()print(fruits)完整实例：thisset = {"apple"
Python 集合 add() 方法Python 集合方法实例向 fruits 集合添加一个元素：fruits = {"apple", "banana", "cherry"}fruits.add("orange")print(fruits)完整实例：thisset = {"ap
Python 元组 index() 方法Python 元组方法实例检索首次出现的值 8，并返回其位置：thistuple = (1, 3, 7, 8, 7, 5, 4, 6, 8, 5)x = thistuple.index(8)print(x)完整实例：thistup
Python 元组 count() 方法Python 元组方法实例返回值 5 在元组中出现的次数：thistuple = (1, 3, 7, 8, 7, 5, 4, 6, 8, 5)x = thistuple.count(5)print(x)完整实例：thistuple
Python 字典 values() 方法Python 字典方法实例返回值：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.values()print(x)完整实例：car = { "brand":
Python 字典 update() 方法Python 字典方法实例向字典插入项目：car = { "brand": "Porsche", "model": "911", "year": 1963}car.update({"color": "White"})print(car)完
Python 字典 setdefault() 方法Python 字典方法实例获取 "model" 项的值：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.setdefault("model", "Maca
Python 字典 popitem() 方法Python 字典方法实例从字典中删除最后一个项目：car = { "brand": "Porsche", "model": "911", "year": 1963}car.popitem()print(car)完整实例
Python 字典 pop() 方法Python 字典方法实例从字典中删除 "model"：car = { "brand": "Porsche", "model": "911", "year": 1963}car.pop("model")print(car)完整实例：car =
Python 字典 keys() 方法Python 字典方法实例返回键：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.keys()print(x)完整实例：car = { "brand": "Por
Python 字典 items() 方法Python 字典方法实例返回字典的键值对：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.items()print(x)完整实例：car = { "
Python 字典 get() 方法Python 字典方法实例获取 "model" 项的值：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.get("model")print(x)完整实例：car
Python 字典 fromkeys() 方法Python 字典方法实例创建拥有 3 个键的字典，值均为 0：x = ('key1', 'key2', 'key3')y = 0thisdict = dict.fromkeys(x, y)print(thisdict)完整实
Python 字典 copy() 方法Python 字典方法实例复制 car 字典：car = { "brand": "Porsche", "model": "911", "year": 1963}x = car.copy()print(x)完整实例：car = { "brand
