code: def n_tasks(dec_num):
      
      bitstring = ""
      try:
          bitstring = dec_num[2:]
      except:
          bitstring = bin(int(dec_num))[2:]  # cut off 0b
      # print bin(int(dec_num)), bitstring
      return bitstring.count("1")
docs: Takes a decimal number as input and returns the number of ones in the
      binary representation.
      This translates to the number of tasks being done by an organism with a
      phenotype represented as a decimal number.