code: def build(surname, name, birthday, sex, municipality):
      
  
      # RCCMNL
      output = __surname_triplet(surname) + __name_triplet(name)
  
      # RCCMNL83
      output += str(birthday.year)[2:]
  
      # RCCMNL83S
      output += MONTHSCODE[birthday.month - 1]
  
      # RCCMNL83S18
      output += "%02d" % (sex.upper() == 'M' and birthday.day or 40 + birthday.day)
  
      # RCCMNL83S18D969 
      output += municipality
  
      # RCCMNL83S18D969H
      output += control_code(output)
  
      assert isvalid(output)
  
      return output
docs: ``build(surname, name, birthday, sex, municipality) -> string``
  
      Computes the fiscal code for the given person data.
  
      eg: build('Rocca', 'Emanuele', datetime.datetime(1983, 11, 18), 'M', 'D969') 
          -> RCCMNL83S18D969H