1MacBook-Pro:~ admin$ brew uninstall python3
2Uninstalling /usr/local/Cellar/python/3.6.5... (5,102 files, 102.9MB)
3MacBook-Pro:~ admin$ python3
4-bash: python3: command not found
5MacBook-Pro:~ admin$ python
6Python 2.7.10 (default, Oct 6 2017, 22:29:07)
7[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
8Type "help", "copyright", "credits" or "license" for more information.