title: AttributeError: 'str' object has no attribute 'getcwd'
body: <p>I'm new to python. I'm trying to unzip a file in my current script directory but I can't get this work...</p>
  
  <pre><code>zip = zipfile.ZipFile(os.getcwd() + '/Sample_APE_File.zip')
  zip.extractall(os.getcwd())
  </code></pre>
  
  <p>Error: <code>AttributeError: 'str' object has no attribute 'getcwd'</code></p>