在线运行python代码-python代码运行助手
https://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f449949df42a6d3a2e542c000/001432523496782e0946b0f454549c0888d05959b99860f000
这个文件会过期
λ python learning.py This learning.py is expired. Please download a newer version.