title: importance of virtual environment setup for django with python
body: <p>I am very much new to the process of development of a web-application with django, and i came across this setting up and using virtual environment for python.
  So i landed with some basic questions.</p>
  
  <ol>
  <li><p>What does this virtual environment exactly mean.</p></li>
  <li><p>Does that has any sort of importance in the development of web-application using django and python modules.</p></li>
  <li><p>do i have to worry about setting up of virtual environment each time
  in the development process.</p></li>
  </ol>