本文共 808 字,大约阅读时间需要 2 分钟。
import random
print(random.random()) #生成0-1的随机数print(random.randint(1,7)) #生成1-7的随机数,包含1和7print(random.randrange(1,100,4)) #生成1-100,以4为基数的随机数,如:1,4,8,12,16....等random.choice("hello world") #从字符串序列中随机生成一个字母,如:h,w,r,l,e等random.choice(['hello','world','hi','you','java'])print(random.sample([1,3,5,7,9,12],3)) #从序列中随机取3个数,即[1,5,7]print(random.sample('hello world',3))
#洗牌
items=[1,2,3,4,5,6,7]
print(items)[1,2,3,4,5,6,7]random.shuffle(items)print(items)[2,5,7,4,6,3,1]
#生成5位随机验证码
import random
checkcode=''for i in range(5):............current=random.randrange(0,9)............if current==i:...............temp=chr(random.randint(65,90))............else:...............temp=random,randint(0,9)............checkcode+=str(temp)........print(checkcode)
转载于:https://blog.51cto.com/3906249/2152351