title: Matplotlib change gap between bars and add black outline
body: <p>I plotted some graph by:</p>
  
  <pre><code>plt.bar(TIME, MC_SIM, width=2000)
  </code></pre>
  
  <p>I have:
  <a href="https://i.stack.imgur.com/RiSdS.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RiSdS.png" alt="enter image description here"></a></p>
  
  <p>How can I plot it with another gap between bars and black outline? Like this:
  <a href="https://i.stack.imgur.com/Sz0MI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Sz0MI.png" alt="enter image description here"></a></p>