macOS Python Virtual Environments

CPython

• CPython 2.7: /usr/local/opt/python@2/bin/python2.7 (installed through Homebrew)
• CPython 3.4: /Library/Frameworks/Python.framework/Versions/3.4/bin/python3.4 (installed through official release)
• CPython 3.5: /Library/Frameworks/Python.framework/Versions/3.5/bin/python3.5 (installed through official release)
• CPython 3.6: /Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 (installed through official release)
• CPython 3.7: /usr/local/opt/python/bin/python3.7 (installed through Homebrew)

PyPy

• PyPy 2.7: /usr/local/opt/pypy/bin/pypy (installed through Homebrew)
• PyPy 3.6: /usr/local/opt/pypy3/bin/pypy3 (installed through Homebrew)