save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         if name == username and password == userpassword:
@@ -8,7 +10,12 @@ while True:
             break
         if name !=username :
             print("用户名错误!请重新输入")
+            i-=1
             continue
         if name == username and password != userpassword:
             print("密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+            i-=1
+    else:
+        print("账户已被锁定")
+        exit()
+    print("欢迎来到贝尔编程!")
\ No newline at end of file