title: I have already installed the pip ,but it can't installed the third module
body: <p>It shows that I have installed successfully the pip. And I want to install the PIL module, but it doesn't work. I don't know what to do next. I just write the code 'pip install PIL' in cmd
  <a href="https://i.stack.imgur.com/tn28Z.png" rel="nofollow noreferrer">enter image description here</a>
  <a href="https://i.stack.imgur.com/A6a7t.png" rel="nofollow noreferrer">enter image description here</a></p>