title: adding new rows to an existing dataframe
body: <p><a href="https://i.stack.imgur.com/4fZXw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/4fZXw.png" alt="enter image description here"></a></p>
  
  <p>This is my dataframe. How to I add max_value, min_value, mean_value, median_value names to rows so that my index values will be like</p>
  
  <p>0</p>
  
  <p>1</p>
  
  <p>2</p>
  
  <p>3</p>
  
  <p>4</p>
  
  <p>max_value</p>
  
  <p>min_value</p>
  
  <p>mean_value</p>
  
  <p>median_value</p>
  
  <p>Could anyone help me in solving this</p>