auto save

diy2.py

+i=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("用户名错误!请重新输入")
-        continue
+    if i > 0:
+        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("用户名错误!请重新输入")
+        
     if password!=userpassword
     if password!=userpassword
     print("密码错误!请重新输入")
     print("密码错误!请重新输入")
 print("欢迎")
 print("欢迎")
\ No newline at end of file