my_set.add(4) #add element to set print(my_set) 输出: {1,2,3,4} 集合操作 集合上的不同运算,如并集、交集等如下所示。 my_set = {1, 2, 3, 4} my_set_2 = {3, 4, 5, 6} print(my_set.union(my_set_2), '---', my_set | my_set_2) print(my_set.intersection(my_set_...
line 208, in <module># s1.remove(2222)# KeyError: 2222# 交集# def intersection(self, *args, **kwargs): # real signature unknown# """# Return the intersection of two sets as a new set. 交集## (i.e. all elements that are in both sets.)# """# pass# s1 =...
s.add("11") 这是一个字符串print(s) 结果就是多了一个数字11和一个字符串"11"C:\python35\python3.exe D:/pyproject/day12列表/set-集合.py {'11', 11,'gouguoqi','sb'} 2. clear(self, *args, **kwargs) Remove all elements from this set element [ˈelɪmənt] 元素 从这个集合...
set() -> new empty set object set(iterable) -> new set object Build an unordered collection of unique elements. """ def add(self, *args, **kwargs): # real signature unknown """ Add an element to a set,添加元素 This has no effect if the element is already present. """ pass de...
Add an element to a set. 代码语言:javascript 复制 set.add(563)print(set) #Clear:清除集合中的元素 Remove all elements from this set. 代码语言:javascript 复制 set.clear()print(set)返回空 #Copy:复制一个集合并赋值给一个新的集合 set3=set2.copy() ...
set(iterable) -> new set object Build an unordered collection of unique elements. """ defadd(self, *args, **kwargs): # real signature unknown """ Add an element to a set,添加元素 This has no effect if the element is already present. ...
集合是一种组合型的数据类型,分为可变的set和不可变的frozenset。 软件环境 系统 UbuntuKylin 14.04 软件 Python 2.7.3 IPython 4.0.0 可变集合Set 集合set是一种无序的、唯一的的元素集,与数学中集合的概念类似,可对其进行交、并、差、补等逻辑运算。不支持索引、切片等序列操作,但仍支持成员关系运算符in-not...
You can use the .cache_info() method to see how the cache performs, and you can tune it if needed. In your example, you used an artificially small maxsize to see the effect of elements being removed from the cache: Python >>> fibonacci(10) Calculated fibonacci(1) = 1 Calculated fi...
If the ExecuteIn attribute is set to output, pip assumes the request is to run the install command and uses the Target attribute as the package name. Target Yes Specifies the filename, module name, code, or pip command to use, depending on the value of the TargetType attribute. Arguments...
Please enter the index between 0 and 4 to add the number: 2 Updated Numbers List [1, 2, 20, 3, 4, 5] This example added20at the index of2.20has been inserted into the list at this index. extend() This function adds iterable elements to the list. ...