Use therandom.choice()function to choose a random element from a list in Python. For example, we can use it to select a random name from a list of names. Below are the steps and examples to choose a random item from a list. Import therandom module:This module implements pseudo-random ...
random item from list is: 10 范例2: random.choices() 函数主要用于返回具有各种可能性的随机元素。该函数还对随机选择的数量进行加权(k)。例如,我们想从 5 个电影的列表中打印 3 个随机电影名称。 import random movieList = ['Matrix', 'Terminator', 'Black Panther', 'Avengers', 'Titanic'] randomMo...
python学习--random和列表 ItemListFirst==Item1Fourthsample(x1forFourthinFourthList.remove(Fourth)print First+'|'+Second+'|'+Third+'|'+Fourth 代码解析 定义列表List First为人为输入的第一个项 系统判断如果First属于列表List,则将First的值从列表List中去除 之后从列表List(已经去除First)中随机取一个值为...
from random import shuffle str = '字符串' shuffle(str) print(str) 1. 2. 3. 4. 报错内容为: TypeError: 'str' object does not support item assignment 1. === 结 END 束 ===
(seq) method of random.Random instanceChoose a random element from a non-empty sequence.No. 3 :Help on method choices in module random:choices(population, weights=None, *, cum_weights=None, k=1) method of random.Random instanceReturn a k sized list of population elements chosen with ...
print ("Your lucky number is {}".format(luckynumber)) Choose a random item from a list from the following: cheese_types = ['brie', 'cheddar', 'feta'] random.choice cheese = random.choice(cheese_types) print ("Please try some {}".format(cheese))...
"""Choose a random item from range(start, stop[, step]). This fixes the problem with randint() which includes the endpoint; in Python this is usually not what you want. """ # This code is a bit messy to make it fast for the ...
1. from random import uniform2. print(uniform(1.5, 1.5)) #此时 start = end 输出结果永远为: 1.5 四、choice 函数 1、用法 value = choice(seq) seq 可以是一个非空序列,如列表(list)、元组(tuple)、字符串(str),但不能是集合(set)。choice 函数会从非空序列中随机选取一个数据作为返回值。
"""Choose a random item from range(start, stop[, step]). This fixes the problem with randint() which includes the endpoint; in Python this is usually not what you want. """ 翻译:返回一个随机目标在范围range(star,stop,step) 中, ...
"""Choose a random item from range(start, stop[, step]). This fixes the problem with randint() which includes the endpoint; in Python this is usually not what you want. """ # This code is a bit messy to make it fast for the ...