auto save

diy2.py

 i=0
 i=0
-username = "apples,oranges,bananas,pineapples and mangos are friuts."
-userpassword = "123456"
+username = "QWERTYUIOPASDFGHJKLZXCVBNM"
+userpassword = "MNBVCXZLKJHGFDSAPOIUYTREWQ"
 while True:
 while True:
     if i<3:
     if i<3:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
@@ -10,10 +10,10 @@ while True:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if name != username:
         if name != username:
-        print("用户名错误!请重新输入")
+            print("用户名错误!请重新输入")
         continue
         continue
         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")  
         if password != userpassword and name != username:
         if password != userpassword and name != username:
             print("用户名和密码错误!请重新输入")
             print("用户名和密码错误!请重新输入")
     else:
     else: