users=[
'mengke',
'songzhao']
passwd=[
'hello',
'hello']
administrationinfo={}
time=
3
for i
in range(len(users)):
administrationinfo[users[i]]=passwd[i]
notice=
'''\
usage
(C)reate
(L)login
'''
print notice
while(
True):
choice=raw_input(
"please chose a mode")
if choice==
'C':
newuser=raw_input(
"please input the new name")
for new
in users:
if new==newuser:
print "the name is already existed"
break
else:
users.append(newuser)
newpasswd=raw_input(
"please input the new passwd")
passwd.append(newpasswd)
administrationinfo[newuser]=newpasswd
print "success"
break
elif choice==
'L':
loginuser=raw_input(
"please input your name")
while loginuser
not in users:
print "wrong"
time-=
1
loginuser=raw_input(
"please try again")
if time <=
0:
print "you have already tried three times please try in 10min"
break
loginpasswd=raw_input(
"please input your passwd")
for i
in range(
3):
if administrationinfo[loginuser]==loginpasswd:
print "welcome"
break
else:
time-=
1
loginpasswd=raw_input(
"try again")
time-=
1
if time <=
0:
print "you have already tried three times please try in 10min"
break
