save project

diy2.py

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