title: Store Particular Column name as key and Column data as values in dictionary
body: <p>I have a list Col_values and Data Frame df.</p>
  
  <pre><code>Col_values = ['a','d']
  
  df 
      a       b        c       d      e
  1   apple   bat      cat     dance  eat
  2   air     ball     can     dog    ear
  3   ant     biscuit  camel   doll   enter
  4   alpha   batch    came    disc   end
  5   axis    bag      come    dell   
  6   angry            catch
  7   attack
  </code></pre>
  
  <p>My expected output is OutDict</p>
  
  <pre><code>OutDict={'a' : ['apple','air','ant','alpha','axis','angry','attack'],
           'd':['dance','dog','doll','disc','dell']}
  </code></pre>