title: Python turtle, using colours from a list
body: <pre><code>colours =  [turtle.color("red"),turtle.color("blue"),turtle.color("yellow"),turtle.color("green")]
  
  fred = colours[0],turtle.forward(100),turtle.left(90),colours[1],turtle.forward(100),turtle.left(90),colours[2],turtle.forward(100),turtle.left(90),colours[3],turtle.forward(100),turtle.left(90)
  </code></pre>
  
  <p>Attemping to make a square with 4 different colours from a list, type(colours[0]) returns class Nonetype. How can I access the colours from my list?</p>