# 使用大括号创建集合 my_set = {1, 2, 3, 4} # 使用set()函数创建集合 another_set = set([1, 2, 2, 3, 4, 4]) # 重复元素会被自动移除 # 创建一个空集合 empty_set = set() 集合操作 集合支持多种操作,包括并集、交集、差集、对称差集等。 # 并集 set1 = {1, 2, 3} set2 = {...
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...
""" Report whether this set contains another set.""" def pop(self, *args, **kwargs): # 移除元素 """ Remove and return an arbitrary set element. Raises KeyError if the set is empty. """ def remove(self, *args, **kwargs): # 移除指定元素,不存在会报错。 """ Remove an element ...
) """ pass def difference_update(self, *args, **kwargs): # real signature unknown """ 删除当前set中的所有包含在 new set 里的元素 """ """ Remove all elements of another set from this set. """ pass def discard(self, *args, **kwargs): # real signature unknown """ 移除元素 "...
Return the difference of two or more sets as a new set. A中存在,B中不存在 (i.e. all elements that are in this set but not the others.) """ pass defdifference_update(self, *args, **kwargs): # real signature unknown """ Remove all elements of another set from this set. 从当前...
>>>setA={5,6,7}>>>setB={7,8,9}OperationOperatorConceptExampleunion&take the common elements of these set>>>setA&SetB{7}intersection|take all elements of these set>>>setA|setB{5,6,7,8,9}difference-Takeelements in a set that are not in another set>>>setA-setB{5,6}>>>setB-setA...
在__init__方法中,第一个参数是self,代表当前对象实例,后面跟着其他构造函数所需的参数。在__init_...
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。 前言 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...
'setworldcoordinates', 'textinput', 'title', 'tracer','turtles', 'update', 'window_height', 'window_width', 'back', 'backward','begin_fill', 'begin_poly', 'bk', 'circle', 'clear', 'clearstamp', 'clearstamps','clone', 'color', 'degrees', 'distance', 'dot', 'down', 'end...
add abs any tshift nunique count combine keys values set_axis isnull sparse first_valid_index combine_first ewm notnull empty mask truncate to_csv bool at clip radd to_markdown value_counts first isna between_time replace sample idxmin div iloc add_suffix pipe to_sql items max rsub flags...