save project

diy2.py

@@ -6,6 +6,7 @@ while True:
         name = input("请输入用户名:")
         password = input("请输入密码:")
         i-=1
+        print("剩余"+str(i)+"次登录次数")
         if name == username and password == userpassword:
             print("登录成功!")
             print("欢迎来到贝尔编程!")

lessons.3.py

+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