title: AttributeError: 'tuple' object has no attribute 'append'
body: <p>Can anyone help me with this code?</p>
  
  <pre><code>Jobs = ()
  openFile = open('Jobs.txt')
  x = 1
  while x != 0:
      Stuff = openFile.readline(x)
      if Stuff != '':
          Jobs.append(Stuff)
      else:
          x = 0
  </code></pre>
  
  <p>This code throws: </p>
  
  <pre><code>AttributeError: 'tuple' object has no attribute 'append'
  </code></pre>
  
  <p>I'm using Python 3.6.</p>