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
-    if name != username:
+        elif name != username:
             print("worng username")
             continue 
-    if userpassword != password:
+        else: 
             print("worng password")
-print("welcome!")
\ No newline at end of file
+    else: 
+        print("your account is locked")
+        exit()
+    print("welcome!")
\ No newline at end of file