title: Drop Row from a Pandas Dataframe if it doesnot contain a vlaue smaller than 0.05 in at least one of the coloumns
body: <p>I have a data frame of 7 Rows and 100+ columns.
  I want to drop the row that does not contain a value smaller than <code>0.05</code> in any of the columns. Is there a way to do that?</p>