-bash: brew: command not found - MacOS Catalina

$ brew install pip

-bash: brew: command not found

$ sudo easy_install pip

Password:

Searching for pip

Reading https://pypi.org/simple/pip/

Downloading https://files.pythonhosted.org/packages/94/b0/e10bdc8809c81796c80aa3644a8e3dc16594fb1bd68f5996929f26cad980/pip-21.1.1.tar.gz#sha256=51ad01ddcd8de923533b01a870e7b987c2eb4d83b50b89e1bf102723ff9fed8b

Best match: pip 21.1.1

Processing pip-21.1.1.tar.gz

Writing /tmp/easy_install-zEY1TC/pip-21.1.1/setup.cfgRunning pip-21.1.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-zEY1TC/pip-21.1.1/egg-dist-tmp-5nkrTT 

...

Adding pip 21.1.1 to easy-install.pth file

Installing pip script to /usr/local/bin

Installing pip2.7 script to /usr/local/bin

Installing pip2 script to /usr/local/bin

Installed /Library/Python/2.7/site-packages/pip-21.1.1-py2.7.egg

Processing dependencies for pip

Finished processing dependencies for pip