title: Variable changing gives me syntax error "Can't assign to operator"
body: <p>I'm coding a text-based game in Python on a site called 'repl.it', and while trying to change a variable, I came upon this error:  </p>
  
  <pre><code>Traceback (most recent call last):
    File "python", line 526
  SyntaxError: can't assign to operator
  </code></pre>
  
  <p>I'm a newbie at python, and I can't understand much, so I just want someone to fix the code and tell me how this works.</p>
  
  <p>Here's the code:</p>
  
  <pre><code>#Adding hits or misses
  if decision == "t3" : mothershiphit = mothershiphit + 1
  elif decision == "t2" : jetdown = jetdown + 1
  else: mothershipmiss = mothershipmiss + 1, mothershiplanded = mothershiplanded + 1
  
  print " "
  </code></pre>
  
  <p><a href="https://repl.it/@Some_random_turtle/Text-based-UFO-war-game" rel="nofollow noreferrer">Link to the game:</a> It's not finished yet, but I'll keep working on it.</p>