save project

1.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("请输卢用户名:")
-        password=input("请输卢密码：")
-        i-=1
-        if name==username and password == userpassword:
-            print("登陆成功")
-            break
-        if name != username:
-            print("输卢错误")
-            print("提示：你还有"+str(i)+"次机会")
-            continue
-        if password != userpassword:
-            print("输卢错误")
-            print("提示：你还有"+str(i)+"次机会")
-            exit()
-print("欢迎光临")
\ No newline at end of file
+import turtle
+pen = turtle.Pen()
+colors=["red","orange","yellow","green"]
+for i in range(1,300):
+    pen.forward(i)
+    pen.pencolor(colors[i%4])
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file