title: how to multiply multiple columns by another column pandas
body: <p>I have a Dataframe of 100 Columns and I want to multiply one column ('Count') value with the columns position ranging from 6 to 74. Please tell me how to do that. I have been trying</p>
  
  <pre><code>df = df.ix[0, 6:74].multiply(df["Count"], axis="index")
  df = df[df.columns[6:74]]*df["Count"]
  </code></pre>
  
  <p>None of them is working</p>
  
  <p>The result Dataframe should be of 100 columns with all original columns where columns number 6 to 74 have the multiplied values in all the rows.</p>