程序执行流程：猜数字游戏；库的使用：turtle

>>> import turtle >>> turtle.circle(50) >>> turtle.circle(100) Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit (AMD64)] on win32 Type "copyright", "credits" or "license...