title: When I try to run a script on python3 I get: SyntaxError: Invalid syntax (mac)
body: <p>when I try to run a script via terminal, this happens:</p>
  
  <pre><code>&gt;&gt;&gt; python3 Somador.py
    File "&lt;stdin&gt;", line 1
      python3 Somador.py
                    ^
  SyntaxError: invalid syntax
  </code></pre>
  
  <p>The script I saved on text editor.</p>