save project

www.py

+i=0
 username="python"
 userpassword="123456"
 while True:
+    if i>0
         name=input("请输入")
         password=input("密码")
+        i-=1
         if name==username and password==userpassword:
             print("成功")
             break
-    elif name!=username:
+        if name!=username:
             print("用户名错误")  
-    else:
-        #password!=userpassword:
+            continue
+        if password!=userpassword:
             print("密码错误")
+    else:
+        print("你的账户已被锁住，请5分钟后再来解锁")
+        exit()  
 print("欢迎")              
\ No newline at end of file