1 #Author : Kelvin
 2 #Date : 2019/1/6 15:33
 3 import random
 4 
 5 print(random.random()) #产生0-1之间的浮点读
 6 
 7 print(random.randint(1,5)) #产生[1,5]之间的整数
 8 
 9 print(random.randrange(1,5)) #产生[1,5)之间的整数
10 
11 print(random.choice([1,2,3,4,5,6])) #随机从序列中选择一个
12 
13 print(random.sample([1,2,3,4,5,6],2)) #随机从序列中选择两个
14 
15 print(random.uniform(1,3)) #产生（1,3）之间的浮点数

 1 # 生成验证码
 2 import random
 3 def checkCode():
 4     res = ""
 5     for i in range(5):
 6         num = random.randint(0, 9)
 7         ALT = chr(random.randint(65, 90))
 8         alt = chr(random.randint(97, 122))
 9         res += str(random.choice([num, alt, ALT]))
10     return res
11 
12 
13 res = checkCode()
14 print(res)