python windows launcher seems like the best option here. thanks
On 27 October 2016 at 16:49, Zachary Ware <zachary.ware+pyl...@gmail.com> wrote: > On Thu, Oct 27, 2016 at 10:11 AM, Daiyue Weng <daiyuew...@gmail.com> > wrote: > > Hi, I installed Python 2.7 and Python 3.5 64 bit versions on Win 10. > Under > > > > C:\Python35 > > > > C:\Python27 > > > > Both have been set in environment variable Path. > > > > When I type python in cmd, it only gives me python 2.7, I am wondering > how > > to switch between 2 and 3 in command prompt. > > Along with Python 3.5, the Python Launcher for Windows (py.exe) was > installed in C:\Windows, unless you unchecked it. You can choose > which interpreter you want to run by an argument to py.exe; for Python > 2.7, use `py -2.7`; for Python 3.5, use `py -3.5`. There are also > shortcuts for "latest Python 2" and "latest Python 3", `py -2` and `py > -3` respectively. Calling `py` on its own will default to matching > `py -2`, but settings can be changed in C:\Windows\py.ini. See > https://docs.python.org/using/windows.html#launcher for more details. > > -- > Zach > -- https://mail.python.org/mailman/listinfo/python-list