Python(random库)

 1 import random
 2 
 3 print(random.random())# 0-1
 4 
 5 print(random.randint(1,8)) # 1-8 ,包含８
 6 
 7 print(random.choice(‘hello‘)) # 随机选择
 8 
 9 print(random.choice([‘123‘,4,[1,2]])) # 随机选择
10 
11 print( random.sample( [‘123‘,4,[1,2]], 2 ) ) #随机选择其中两个值
12 
13 print(random.randrange(1,3)) # 值1-2，不包含３,常用
14 
15 def v_code():
16     code = ‘‘
17     for i in range(5):
18 
19         add = random.choice([random.randrange(10),chr( random.randrange(65,91) ) ]) #随机选择数字或字母
20 
21         code += str(add)
22 
23     print(code)
24 
25 v_code() # 5位随机验证码

0.7725728660681052
2
e
123
[‘123‘, [1, 2]]
2
RVXL6

Process finished with exit code 0