save project

diy.py

-i=3
-userpassword="123456"
-username="python"
-while True:
-    if i>0:
-        a=input("请输入账号")
-        b=input("请输入密码")
-        i=i-1
-        if a==username and b==userpassword:
-            print("登录成功")
-        if a!=username:
-            print("账号错误")
-            print("")
-        if b!=userpassword:
-        print("错误")
-    else:
-        print("")
\ No newline at end of file
+import turtle
+pen=turtle.pen()
+a=1
+for i in range(300):
+    pen.forward(a)
+    a=a+1
+    pen.right(91)
+pen.hideturtle()
+pen.done()    
\ No newline at end of file