code: def guessFormat(self):
          '''return quality score format -
          might return several if ambiguous.'''
  
          c = [ord(x) for x in self.quals]
          mi, ma = min(c), max(c)
          r = []
          for entry_format, v in iteritems(RANGES):
              m1, m2 = v
              if mi >= m1 and ma < m2:
                  r.append(entry_format)
          return f guessFormat(self):
          '''return quality score format -
          might return several if ambiguous.'''
  
          c = [ord(x) for x in self.quals]
          mi, ma = min(c), max(c)
          r = []
          for entry_format, v in iteritems(RANGES):
              m1, m2 = v
              if mi >= m1 and ma < m2:
                  r.append(entry_format)
          return r
docs: return quality score format -
          might return several if ambiguous.