title: EDA for loop on multiple columns of dataframe in Python
body: <p>Just a random q. If there's a dataframe, df, from the Boston Homes ds, and I'm trying to do EDA on a few of the columns, set to a variable feature_cols, which I could use afterwards to check for na, how would one go about this? I have the following, which is throwing an error:
  <a href="https://i.stack.imgur.com/xXMBy.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/xXMBy.png" alt="enter image description here" /></a></p>
  <p>This is what I was hoping to try to do after the above:
  <a href="https://i.stack.imgur.com/HwOr2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HwOr2.png" alt="enter image description here" /></a></p>
  <p>Any feedback would be greatly appreciated. Thanks in advance.</p>