docs: def _set_dense_defaults_and_eval(kwargs):
      """
      Sets default values in kwargs if kwargs are not already given.
  
      Evaluates all values using eval
  
      Parameters
      -----------
      kwargs : dict
          Dictionary of dense specific keyword args
  
      Returns
      -------
      : dict
          Default, evaluated dictionary
  
      """
  
      kwargs['delimiter'] = kwargs.get('delimiter', ',')
      kwargs['na_values'] = kwargs.get('na_values', '')
      kwargs['nan_to_zero'] = kwargs.get('nan_to_zero', False)
      kwargs['drop_na'] = kwargs.get('drop_na', False)
      kwargs['label_col'] = kwargs.get('label_col', 'label')
      kwargs['count_col'] = kwargs.get('count_col', 'count')
  
      for key, val in kwargs.iteritems():
          try:
              kwargs[key] = eval(val)
          except:
              kwargs[key] = val
  
      return kwargs