save project

diy2.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("请输入用户名:")
-        c = input("请输入密码:")
-        i=i-1
-        if name ==username  and password == userpassword:
-
-            print("登录成功")
-            break
-        elif name !=username :
-            print("账号错误")
-            print("老八你还有"+str(i)+"ji") 
-            continue
-        else :
-            print("密码错误")    
-        print("用户名和密码错误!请重新输入")
-    else:
-        print("账号已锁定")
-        exit()
-    print("欢迎来到贝尔编程!")  
+import turtle
+pen=tutrle.Pen()
+a=1
+for i in range(300):
+    pen.forward(a)
+    a=a+1
+    pen.right(91)
+turtle.hideturtle()
+turtle.done()
\ No newline at end of file