$ pwd
/Users/dalemy/Projects/my_project

$ ls -al /Users/dalemy/Projects/my_project/bin/python*
lrwxr-xr-x  1 dalemy  staff    7 10 Feb 15:16 /Users/dalemy/Projects/my_project/bin/python -> python3
lrwxr-xr-x  1 dalemy  staff   44 10 Feb 15:16 /Users/dalemy/Projects/my_project/bin/python3 -> /usr/local/Cellar/python/3.7.2_1/bin/python3

$ echo $PATH
/Users/dalemy/Projects/my_project/bin:/Users/dalemy/.poetry/bin:/usr/local/opt/python3/bin:/usr/local/opt/ruby/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/MacGPG2/bin:/opt/X11/bin:/Users/dalemy/Config/scripts:/Users/dalemy/.poetry/bin:/Users/dalemy/.local/bin

$ which python
/usr/local/bin/python

$ which python3
/usr/local/opt/python3/bin/python3

$ type -a python
python is /usr/local/bin/python
python is /usr/bin/python
python is /usr/local/bin/python
python is /usr/bin/python