auto save

666.py

+ii=input("你几分?")
+i =int(ii)
+if i>
+if i<60:
+    print("不及格")
+elif i>=60 and i<=80:
+    print("良好")
+else:
+    print("优秀")
\ No newline at end of file

diy2.py

+username = "python"
+userpassword = "123456"
+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
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file