python模块-random

Posted 2020-07-23 张瑞东

print(random.randint(1,10)) 生成随机整数，下限必须小于上限
print(random.randrange(1,10)) 生成随机整数，参数为（[start],stop,[step]）

random.random()  生成0,1的随机浮点数

随机生成4位验证码:

 1 import random
 2 checkcode = \'\'
 3 for i in range(4):
 4     current =random.randrange(0,4)
 5     if current == 2:
 6         temp = chr(random.randint(65,90)) #大写字母
 7     elif current != 3:
 8         temp = chr(random.randint(97,122)) #小写字母
 9     else:
10         temp = random.randint(0,9)
11     checkcode += str(temp)
12 print(checkcode)

验证码