save project

diy.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("用户名错误,请重新输入")
-            print("您还有"+str(i)+"登陆机会")
-            continue
-        if  password != userpassword:
-             print("用户名错误,请重新输入")
-             print("您还有"+str(i)+"登陆机会")   
-    else:
-       print("一个小时后来")
-       exit()   
-print("欢迎来到编程")
\ No newline at end of file
+import turtle
+
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance+=1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
+