save project

jk.py

-username = "python"
-userpassword = "123456"
-i=3 
-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("登陆成功")
-        break
-    if name != username:
-        print("用户名不存在,请重新输入！")
-        continue
-    if password 1= userword:
-        print("密码输入有误，请重新输入！)
-        print("温馨提示：您还有"+str(i) + "次登录机会")
-    else:
-        print("你的账户已被锁定,请一小时后再来")
-        exit()
-print("欢迎来到贝尔编程！")
-    
+import turtle
 
 
+pen=turtle.Pen()
+for i in range(1,300):
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()