save project

diy2.py

@@ -6,7 +6,7 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
     print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")'''
+print("欢迎来到贝尔编程!")
 while True:
     a=input("账号")
     b=int(input("密码"))
@@ -16,4 +16,16 @@ while True:
     if a!="python":
         print("账号错误")
     if b!=123456:
-        print("密码错误")
\ No newline at end of file
+        print("密码错误")'''
+
+import turtle
+distance=1
+turtle.speed(10)
+turtle.pencolor("black")
+for i in range(300):
+    turtle.forward(distance)
+    distance=distance+1
+    turtle.right(91)
+    turtle.hideturtle
+turtle.done()
+