title: Pandas dataframe select row by index and column by name
body: <p>Is there any way to select the row by index (i.e. integer) and column by column name in a pandas data frame?</p>
  <p>I tried using loc but it returns an error, and I understand iloc only works with indexes.</p>
  <p>Here is the first rows of the data frame df. I am willing to select the first row, column named 'Volume' and tried using df.loc[0,'Volume']</p>
  <p><a href="https://i.stack.imgur.com/23NVB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/23NVB.png" alt="enter image description here" /></a></p>