six 它是一个专门用来兼容 Python 2 和 Python 3 的库
pip install six
PyPI :
https://pypi.org/project/six/文档:
https://six.readthedocs.io/github:
https://github.com/benjaminp/sixPython 2.7.5
>>> import six
>>> six.PY2
True
>>> six.PY3
False
six 它是一个专门用来兼容 Python 2 和 Python 3 的库
pip install six
PyPI :
https://pypi.org/project/six/文档:
https://six.readthedocs.io/github:
https://github.com/benjaminp/sixPython 2.7.5
>>> import six
>>> six.PY2
True
>>> six.PY3
False