code: def filter_iqr(array, lower, upper):
      
      upper, lower = iqr(array, upper, lower)
  
      new = list(array)
      for x in new[:]:
          if x < lower or x > upper:
              new.remove(x)
  
      return new
docs: Return elements which falls within specified interquartile range.
  
      Arguments:
  
          array (list): Sequence of numbers.
          lower (float): Lower bound for IQR, in range 0 <= lower <= 1.
          upper (float): Upper bound for IQR, in range 0 <= upper <= 1.
  
      Returns:
  
          list: Copy of original list, with elements outside of IQR
            removed.