save project

diy2.py

-i=0
+i=3
 username = "python"
 userpassword = "123456"
 while True:
-    i=
+    if i>0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
             print("登录成功!")    
             break
@@ -13,6 +14,7 @@ while True:
             continue    
         if b !=userpassword:
             print("密码错误!请重新输入")            
-        if i==3:
-            print("")    
+    else: 
+        print("已锁定")
+        exit()
 print("欢迎来到贝尔编程!")
\ No newline at end of file