Install Flask in MAC Environment

1. Open Terminal

2.Mac system with Python2.7, if the Mac does not mount Pip, first install PIP,PIP is a Python package management tool, mainly used to install PyPI on the package, can replace the Easy_install tool.
Install command: sudo easy_install pip
After the installation is successful, it appears as follows:
Installed/library/python/2.7/site-packages/pip-9.0.1-py2.7.egg
Processing dependencies for PIP
Finished processing dependencies for PIP

3. Install Flask
Terminal input command: sudo pip install flask as shown in the figure:

4. View
Enter command: The PIP list appears as follows:

5. Successful Installation
Under Pyhton, the input import flask as shown below, the installation was successful