code: def covered_interval(bin):
      
      if bin < 0 or bin > MAX_BIN:
          raise OutOfRangeError(
              'Invalid bin number %d (maximum bin number is %d)'
              % (bin, MAX_BIN))
  
      shift = SHIFT_FIRST
      for offset in BIN_OFFSETS:
          if offset <= bin:
              return bin - offset << shift, bin + 1 - offset << shift
          shift += SHIFT_NEXT
docs: Given a bin number `bin`, return the interval covered by this bin.
  
      :arg int bin: Bin number.
  
      :return: Tuple of `start, stop` being the zero-based, open-ended interval
        covered by `bin`.
      :rtype: tuple(int)
  
      :raise OutOfRangeError: If bin number `bin` exceeds the maximum bin
        number.