save project

diy2.py

 username = "python"
 userpassword = "123456"
 while True:
-    if i>0
+    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
-        elif if name != username:
+        elif name != username:
             print("用户名错误请重新输入")
-            print("错了"+str(1)"次机会")
-        elif if password != userpassword
+            print("错了"+str(i)+"次机会")
+        elif password != userpassword
             print("密码错误请重新输入")
-            print("错了"+str(1)"次机会")
+            print("错了"+str(i)+"次机会")
+    else:
         print("您的账户已被锁定")
 
-    exit
+        exit|()
 print("欢迎来到贝尔编程!")
\ No newline at end of file