save project

diy2.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:
-            print("用户名错误!请重新输入")
-            print("温馨提示：您还有" + str(i) + "次登录机会")
-            continue
-        if password != userpassword:
-            print("密码错误!请重新输入")
-            print("温馨提示：您还有" + str(i) + "次登录机会")
-        if name == username and password == userpassword:
-            print("登录成功!")
-            break
-    else:
-        print("你的账号已被锁定，请拿身份证到我司解锁。")
-        exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+import turtle
+pen = turtle.Pen()
+distance = 1
+for i in range(300):
+    pen.forward(distance)
+    pen.right(91)
+    distance+=1
+pen.hideturtle()
+turtle.done()
\ No newline at end of file