random.sample(population, k): 从population中随机选择k个不重复的元素,适合需要无放回抽样的情况。 numbers = list(range(1, 11)) print(random.sample(numbers, 3)) # 从 1 到 10 中随机选择 3 个不重复的数字 二、随机数生成的高级控制 1. 设置随机种子:random.seed() 为了保证随机数序列的可重现性...
6. shuffle(x, random=None) method of random.Random instance Shuffle list x in place, and return None. # 给列表随机排序,俗称“洗牌”函数>>> random.shuffle([1,2,3,4,5,6])>>> a = [1,2,3,4,5,6]>>> random.shuffle(a)>>> a[4, 6, 5, 2, 3, 1]>>> random.shuffle(a)>...
# 从字符串中随机选择三个字符 word = 'hello' random_chars = random.sample(word, 3) print(random_chars) # 随机选择数字+大小写字母五个字符 word = string.digits + string.ascii_uppercase + string.ascii_lowercase random_chars = random.sample(word, 5) print(''.join(random_chars)) 代码输出...
This tool allows you to quickly pick a random name, number or other item from a list of items. FAQ Is the picker really random? How do you make sure? Yes, the results are quite random. When you click Pick a Random item button, the tool will submit all text line by line to our...
技术标签: Python pythonrandom.random()随机生成0-1之间的1个数 random.randint()随机生成1个指定范围内的整数 random.choice()随机获取()中的1个元素,()中必须是有序类型 random.sample(a,b)随机获取a中指定b长度的片段,不会改变原序列 random.shuffle(list)将一个列表内的元素打乱... 查看原文 random模块...
Python 3.8 random.choice在从文件生成的列表中进行选择时未按预期工作这是python中的一个常见问题。当...
python基础-函数(lambda表达式、函数作参数、内置函数、推导式)和pip04-15 7.Python基础-模块和包(hashlib、random、json、time、datetime和os模块)04-248.Python基础-模块和面向对象-shutil、re、bs4、requests模块04-249.Python基础-模块、Python操作excel04-2410.Python基础-Python操作word、面向对象04-2411.python...
Exponential distribution.lambdis 1.0 divided by the desiredmean. It should be nonzero. (The parameter would be called“lambda”, but that is a reserved word in Python.) Returned valuesrange from 0 to positive infinity iflambdis positive, and fromnegative infinity to 0 iflambdis negative. ...
a reserved word in Python.) Returned values range from 0 to positive infinity if lambd is positive, and from negative infinity to 0 if lambd is negative. No. 5 :Help on method gammavariate in module random: gammavariate(alpha, beta) method of random.Random instance Gamma distribution. Not...
Python 3.8 random.choice在从文件生成的列表中进行选择时未按预期工作这是python中的一个常见问题。当...