Python常用随机数与随机字符串方法实例
随机整数:
>>>importrandom >>>random.randint(0,99) 21
随机选取0到100间的偶数:
>>>importrandom >>>random.randrange(0,101,2) 42
随机浮点数:
>>>importrandom >>>random.random() 0.85415370477785668 >>>random.uniform(1,10) 5.4221167969800881
随机字符:
>>>importrandom >>>random.choice('abcdefg&#%^*f') 'd'
多个字符中选取特定数量的字符:
>>>importrandom random.sample('abcdefghij',3) ['a','d','b']
多个字符中选取特定数量的字符组成新字符串:
>>>importrandom >>>importstring >>>string.join(random.sample(['a','b','c','d','e','f','g','h','i','j'],3)).r eplace("","") 'fih'
随机选取字符串:
>>>importrandom >>>random.choice(['apple','pear','peach','orange','lemon']) 'lemon'
洗牌:
>>>importrandom >>>items=[1,2,3,4,5,6] >>>random.shuffle(items) >>>items [3,2,5,6,4,1]
random的函数还有很多,此处不一一列举,
参考资料:http://docs.python.org/lib/module-random.html