save project

diy2.py

-username="phthon"
-userpassword="123456"
-while True:
-    name=input("请输入账号")
-    password=input("请输入密码")
-    if name==username and password==userpassword:
-            print("登录成功")
-            break
+import turtle
+pen=turtle.Pen()
+for i in range(1,300):
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file
-    elif name!=username:
-        print("账号不存在,请重新输入")
-    else :
-        print("账号不存在,请重新输入")
-    print("账号密码错误")
-print("欢迎来到贝尔世界")
\ No newline at end of file