save project

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:    
         name = input("username:")
         password = input("password:")
+        i -= 1
         if name == username and password == userpassword:
             print("Succeed!")
             break
-    elif name != username:
+        if name != username:
             print("worng username")
-    else:
+        if userpassword != password:
             print("worng password")
+    else:
+        print("your account is locked")
+        exit()
 print("welcome!")
\ No newline at end of file