save project

diy2.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i=0:
-        name = input("请输入用户名:")
-        password = input("请输入密码:")
-        i+=1
-        if name == username and password == userpassword:
-            print("登录成功!")
-            break
-        if name != username:
-            print("用户名不存在，请重新输入！")
-        continue
-        if password != userpassword:
-            print("密码错误,请重新输入!")
-    else:
-        print("您的帐号已被锁定，请一个小时后尝试!")
-        exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+import turtle
+
+pen=turtle.Pen()
+distance=for i in range(300):
+pen.forward(distance)
+distance+=1
+pen.right(91)
+pen.hideturtle()
+turtle.done
\ No newline at end of file