python
python2菜鸟教程:https://www.runoob.com/python/python-tutorial.html
python3菜鸟教程地址:https://www.runoob.com/python3/python3-tutorial.html
python官网:https://www.python.org/
python2菜鸟教程:https://www.runoob.com/python/python-tutorial.html
python3菜鸟教程地址:https://www.runoob.com/python3/python3-tutorial.html
python官网:https://www.python.org/