auto save

diy2.py

 username = "python"
 userpassword = "123456"
-i=3
 while True:
-    if i>0:
-        i-=1
-        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("登录失败！")
-        print("用户名和密码错误!请重新输入")
-    else:
-        print("输入次数以超出上线了,请拿生分证到我司解锁")
-        exit()
+    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 and password != userpassword:
+        print("登录失败！")
+    print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
-
-
-        password = input("请输入密码：")    
+