随机生成4位验证码

 

 

#随机生成由英文字符和数字组成的4位验证码
import random
from time import sleep

lst1=[]
cishu=0

def shuzi():
    lst1.append(random.randint(0,9))

def xiaoxieyingwenzimu():
    lst1.append(random.choice(['a','b','c','d','e','f','g','h','i','j','k','l',
                               'm','n','o','p','q','r','s','t','u','v','w','x','y','z']))

def daxieyingwenzimu():
    xiaoxie=random.choice(['a','b','c','d','e','f','g','h','i','j','k','l',
                               'm','n','o','p','q','r','s','t','u','v','w','x','y','z'])
    daxie=xiaoxie.upper()  #转成大写的
    lst1.append(daxie)

def yanzhengmaliucheng():
    zifusuiji=random.randint(1,3)
    #每一位的字符随机，1代表数字，2代表小写英文字母，3代表大写英文字母
    
while True:
    while cishu!=4:
        zifusuiji=random.randint(1,3)
    #每一位的字符随机，1代表数字，2代表小写英文字母，3代表大写英文字母
        if zifusuiji==1:shuzi()
        if zifusuiji==2:xiaoxieyingwenzimu()
        if zifusuiji==3:daxieyingwenzimu()
        cishu+=1
    lst1= str(lst1).replace("'", "").replace(",", "").replace("[", "").replace("]", "").replace(" ", "")
    print("\n\t\t\t\t┎━━━━━┒\n\t\t\t验证码：┃   {}   ┃\n\t\t\t\t┖━━━━━┚".format(lst1))
    
    lst2=input("\n\t\t请输入图中的验证码：")
    if lst2==lst1:
        sleep(0.5)
        print("\n\t\t\t\t验证中",end="")
        sleep(0.5)
        print(".",end="")
        sleep(0.3)
        print("...",end="")
        sleep(0.2)
        print("......",end="")
        print("\n\n\t\t\t\t验证成功！")
        break
    else:
        print("\n\n\t\t\t\t请输入正确的验证码！")
        cishu=0
        lst1=[]