title: Pandas: How to get position of columns?
body: <p>I need help to get the position of the column or another way to read in the column two step left of the column <em>Spannung</em>. </p>
  
  <pre><code>Exceldata = pd.read_excel(str(Dateien[0]), header=[2])
  print Dateien[0]
  Spannung = Exceldata.columns[Exceldata.columns.str.contains('Spannung effektiv L1')]
  print Spannung
  </code></pre>