Python 随机验证码

import random

#print random.randint(1,3)
#print random.randrange(1,10,2)

def chek_code():
 checkcode= ''
 for i in range(6):
    current=random.randrange(0,6)
    if current != i:
        temp=chr(random.randint(65,90))
    else:
        temp = random.randint(0,9)
    checkcode += str(temp)
 return checkcode
print chek_code()
def check_code1(a):
    if a == chek_code():
        print 'Hello'
    else:
        print 'Error'
chek_code()
check_code1(raw_input('Please you check code:'))