title: How do I write a capital Greek "delta" as a string in Python 2.7?
body: <p>I am looking for this character: <code>Δ</code> which I need for a legend item in matplotlib. Python 3.x features a <code>str</code> type that contains Unicode characters, but I couldn't find any valuable information about how to do it in Python 2.7.</p>
  
  <pre><code>x = range(10)
  y = [5] * 10
  z = [y[i] - x[i] for i in xrange(10)]
  
  plt.plot(x,z,label='Δ x,y')
  plt.legend()
  plt.show()
  </code></pre>
  
  <blockquote>
    <p>UnicodeDecodeError: 'ascii' codec can't decode byte 0xce in position
    0: ordinal not in range(128)</p>
  </blockquote>