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:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-     if name != username:
-         continue
-    print("用户名错误!请重新输入")
-        if password!= userpassword:
-         print("密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    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:
+                continue
+                print("用户名错误!请重新输入")
+                if password!= userpassword:
+                print("密码错误!请重新输入")
\ No newline at end of file
+        else:
+            print("密码输入有误，等会再来")
+ print("欢迎来到贝尔编程!")
\ No newline at end of file