python2和python3 windows下共存
2019-01-17 本文已影响0人
博陵韩少
0)无脑安装python2,python3
下载地址:[www.python.org]
1)环境变量PATH
C:\Python27;C:\Python27\Scripts;C:\Python34;C:\Python34\Scripts;
2)python3*安装路径下可执行文件名变更
python.exe----> python3.exe
pip.exe---->pip.exe-[OFF]
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3)升级python3的pip版本
python3 -m pip install -U pip
4)验证
C:\Users\kj>python -V
Python 2.7.2
C:\Users\kj>python3 -V
Python 3.4.3
C:\Users\kj>pip -V
pip 8.1.1 from C:\Python27\lib\site-packages\pip-8.1.1-py2.7
.egg (python 2.7)
C:\Users\kj>pip3 -V
pip 18.1 from C:\Python34\lib\site-packages\pip (python 3.4)