save project

diy2.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    elif name!=username:
-        print("用户名错误")
-    elif：
-        print("密码错误")
-else:
-    print("你的帐户已被锁定,请重新输入")
-    exit()
-print("欢迎来到贝尔编程!")
+import turtle
+
+pen=turtle.pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance+=1
+    pen.right(91)
+pen.hideturtie()
+turtle.done
+
+  
+    
+
+
+
+