save project

diy2.py

+f=3
 username = "python"
 username = "python"
+
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name!=username:
-        print("名no")
-        continue
-    else:
-        
-        
-
-     
-        print("密码no")
-print("欢迎来到贝尔编程!")
+    if f>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        f-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name!=username:
+            print("名no")
+            continue
+        else:
+            print("nononononono")
+            exit()
+print('ok')
+    
\ No newline at end of file