code: def information_content(self):
          
          ic = 0
          for row in self.pwm:
              ic += 2.0 + np.sum([row[x] * log(row[x])/log(2) for x in range(4) if row[x] > 0])
          return ic
docs: Return the total information content of the motif.
  
          Return
          ------
          ic : float
              Motif information content.