Here is brew info dump of what I have installed. both python2 and python3. So ya, the confusing world of python versions.
~$ which python
/usr/local/bin/python
~$ ls -lsa /usr/local/bin/python
0 lrwxr-xr-x 1 user admin 36 Jun 12 19:30 /usr/local/bin/python -> ../Cellar/python@2/2.7.15/bin/python
~$ which python3
/usr/local/bin/python3
~$ ls -lsa /usr/local/bin/python3
0 lrwxr-xr-x 1 root wheel 69 Oct 29 2017 /usr/local/bin/python3 -> ../../../Library/Frameworks/Python.framework/Versions/3.6/bin/python3
~$
~$ brew info python
python: stable 3.7.0 (bottled), HEAD
Interpreted, interactive, object-oriented programming language
https://www.python.org/
/usr/local/Cellar/python/3.6.5 (4,798 files, 99.9MB)
Poured from bottle on 2018-06-15 at 21:23:48
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/python.rb
==> Dependencies
Build: pkg-config ✔, sphinx-doc ✘
Required: gdbm ✘, openssl ✔, readline ✘, sqlite ✔, xz ✔
Optional: tcl-tk ✘
==> Options
--with-tcl-tk
Use Homebrew's Tk instead of macOS Tk (has optional Cocoa and threads support)
--HEAD
Install HEAD version
==> Caveats
Python has been installed as
/usr/local/bin/python3
Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
/usr/local/opt/python/libexec/bin
If you need Homebrew's Python 2.7 run
brew install python@2
Pip, setuptools, and wheel have been installed. To update them run
pip3 install --upgrade pip setuptools wheel
You can install Python packages with
pip3 install <package>
They will install into the site-package directory
/usr/local/lib/python3.7/site-packages
See: https://docs.brew.sh/Homebrew-and-Python
$
~$ brew info python2
python@2: stable 2.7.15 (bottled), HEAD
Interpreted, interactive, object-oriented programming language
https://www.python.org/
/usr/local/Cellar/python@2/2.7.15 (4,805 files, 85.0MB) *
Poured from bottle on 2018-06-12 at 19:30:21
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/python@2.rb
==> Dependencies
Build: pkg-config ✔, sphinx-doc ✘
Required: gdbm ✘, openssl ✔, readline ✘, sqlite ✔
Optional: tcl-tk ✘
==> Options
--with-tcl-tk
Use Homebrew's Tk instead of macOS Tk (has optional Cocoa and threads support)
--HEAD
Install HEAD version
==> Caveats
Pip and setuptools have been installed. To update them
pip install --upgrade pip setuptools
You can install Python packages with
pip install <package>
They will install into the site-package directory
/usr/local/lib/python2.7/site-packages
See: https://docs.brew.sh/Homebrew-and-Python
$
~$ brew info python3
python: stable 3.7.0 (bottled), HEAD
Interpreted, interactive, object-oriented programming language
https://www.python.org/
/usr/local/Cellar/python/3.6.5 (4,798 files, 99.9MB)
Poured from bottle on 2018-06-15 at 21:23:48
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/python.rb
==> Dependencies
Build: pkg-config ✔, sphinx-doc ✘
Required: gdbm ✘, openssl ✔, readline ✘, sqlite ✔, xz ✔
Optional: tcl-tk ✘
==> Options
--with-tcl-tk
Use Homebrew's Tk instead of macOS Tk (has optional Cocoa and threads support)
--HEAD
Install HEAD version
==> Caveats
Python has been installed as
/usr/local/bin/python3
Unversioned symlinks `python`, `python-config`, `pip` etc. pointing to
`python3`, `python3-config`, `pip3` etc., respectively, have been installed into
/usr/local/opt/python/libexec/bin
If you need Homebrew's Python 2.7 run
brew install python@2
Pip, setuptools, and wheel have been installed. To update them run
pip3 install --upgrade pip setuptools wheel
You can install Python packages with
pip3 install <package>
They will install into the site-package directory
/usr/local/lib/python3.7/site-packages
See: https://docs.brew.sh/Homebrew-and-Python
