随机生成10个宽度为8的密码（或者是验证码）

#random ten passwords with the width 8
from random import *
def Achr():
    a1=chr(randint(65,90))
    return a1
def achr():
    a2=chr(randint(97,122))
    return a2
def numb():
    a3=randint(0,9)
    return str(a3)
def password():
    pw=[]
    for i in range(8):
        a4=randint(1,3)
        if a4==1:
            pw.append(Achr())
        elif a4==2:
            pw.append(achr())
        else :
            pw.append(numb())
    return pw
if __name__=='__main__':
    
    print ('password:')
    for i in range(10):
        pw1=password()
        print(pw1)