I installed Python 3.7 before, but after installing Mingw-w64, I found the PATH is changed.
When I input "python" in the shell, it tells me that
Python 2.7.9 (default, May 12 2018, 10:00:46)
[GCC 8.1.0] on win32
But if I input "py" in the shell, it's like normal:
Python 3.7.5 (tags/v3.7.5:5c02a39a0b, Oct 15 2019, 00:11:34) [MSC v.1916 64 bit (AMD64)] on win32
Why would this happen? Should I care about it? If I run Python file in the shell, which version will be used?