python3.7 installation flask

1. Virtual Environment Installation

Install:

pip install virtualenv

1.1 Create a directory

First, create a directory on the local, such as C: \ tutorial-env

 

1.2 to create a virtual environment

In the first cmd environment into the directory you just created:

cd C:\tutorial-env

Then enter the following command:

virtualenv venv

 

1.3 activate the virtual environment

venv\scripts\activate

 

Then install flask, is not required in a virtual environment

pip install Flask