python列表中随机选择
Python random module provides an inbuilt method choice() has an ability to select a random item from the list and other sequences. Using the choice() method, either a single random item can be chosen or multiple items. The below set of examples illustrate the behavior of choice() method.
Python 随机模块提供了一种内置方法choice() ，可以从列表和其他序列中选择一个随机项。 使用choice()方法，可以选择一个随机项目或多个项目。 下面的示例集说明了choice()方法的行为。
Syntax:
句法：
random.choice(sequence)Here, sequence can be a list, set, dictionary, string or tuple.
在这里， 序列可以是列表，集合，字典，字符串或元组。
Example 1: Choose a single item randomly from the list
示例1：从列表中随机选择一个项目
>>> import random>>> test_list = ['include_help', 'wikipedia', 'google']>>> print(random.choice(test_list))wikipedia>>> print(random.choice(test_list))google>>> print(random.choice(test_list))wikipedia>>>Example 2: Choose multiple items randomly from the list
示例2：从列表中随机选择多个项目
In order to select multiple items from list, random module provides a method called choices.
为了从列表中选择多个项目，随机模块提供了一种称为choices的方法。
>>> import random>>> print(random.choices(test_list, k=2))['wikipedia', 'include_help']>>> print(random.choices(test_list, k=1))['google']>>> print(random.choices(test_list, k=3))['google', 'google', 'google']>>>翻译自: https://www.includehelp.com/python/how-to-randomly-select-an-item-from-a-list.aspx
python列表中随机选择