save project

diy1.py

+i=3
 username = "p"
 userpassword = "1"
 while True:
-    name = input("请输卢用户名:")
-    password=input("请输卢密码：")
-    if name==username and password == userpassword:
-        print("登陆成功")
-        break
-    elif name != username:
-        print("输卢错误")
-    else :
-        print("输卢错误")
+    if i>0:
+        name = input("请输卢用户名:")
+        password=input("请输卢密码：")
+        i-=1
+        if name==username and password == userpassword:
+            print("登陆成功")
+            break
+        elif name != username:
+            print("输卢错误")
+            continue
+        else :
+            print("输卢错误")
+        print("错误")
+        exit()
 print("欢迎光临")
\ No newline at end of file