1.set() 语法:set([iterable]) 参数:可迭代对象(可选),a sequence (string, tuple, etc.) or collection (list, set, dictionary, etc.) or an iterator object to be converted into a set 返回值:set集合 作用:去重,因为set集合的本质是无序,
>>> # Python 3>>> help(sorted)Help on built-in function sorted in module builtins:sorted(iterable, /, *, key=None, reverse=False) Return a new list containing all items from the iterable in ascending order. A custom key function can be supplied to customize the sort order, and the ...
Python中用来排序的方法sort、sorted sort 与 sorted 区别: sort 是应用在 list 上的方法,而sorted 可以对所有可迭代的对象(他们可以是list、dict、set、甚至是字符串)进行排序操作。 list 的 sort 方法返回的是对已经存在的列表进行操作,无返回值,而内建函数 sorted 方法返回的是一个新的 list,而不是在原来的...
/usr/bin/env python#-*- coding:utf-8 -*-importredis#导入操作redis模块pool= redis.ConnectionPool(host='127.0.0.1', port=6379)#配置连接池连接信息r= redis.Redis(connection_pool=pool)#连接连接池r.zadd('rdi1','n1',1,'n2',2,'n3',3,'n4',4,'n5',5)#zadd(name, *args, **kwargs)...
python中sort与sorted sort 首先我们来看一下sort的定义L.sort(key=None, reverse=False),有两个可选参数key和reverse。key是排序的值,everse = True 降序 或者 reverse = False 升序 sort sorted 代码语言:javascript 代码运行次数:0 运行 AI代码解释
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dict{'a': 1}>>> a_set = set()>>> print a_set.add(1)None>>> a_setset([1])Python...
# Sort a list of lists using sort() functionlists=[[93,6],[72,9],[35,2]]lists.sort()print(lists)# Output:# [[35, 2], [72, 9], [93, 6]] To sort in descending order, use thesort()method with the reverse argument set its value toreverse=True. ...
If you are looking to sort a list or set, refer tosorting list in pythonor sorting sets in python. 1. Quick Examples of Sorting Arrays in Python If you are in a hurry, below are some quick examples of how to sort array values in python. ...
A custom key function can be supplied to customize the sort order, and the reverse flag can be set to request the result in descending order. 像操作列表一样,sorted()也可同样地用于元组和集合: >>> numbers_tuple = (6, 9, 3, 1) ...