save project

diy2.py

-i = 3
-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
-    if name!= username
-        print("用户名不存在!请重新输入")
+import turtle
+
+pen=turtle.pen()
+distance=1
+fot i in range(300)
+   pen.forward(distance)
+   distance+=1
+   pen.right(91)
+pen.hidedturtle()
+turtle.done()   
\ No newline at end of file
-    if password != userpassword
-        print("密码输入错误,请重新输入!")
-print("欢迎来到贝尔编程!")
\ No newline at end of file