code: def human_readable_digit(number):
      
  
      if 0 >= number:
          return "{0:.1f} ".format(number)
  
      word = ["", "thousand", "million", "billion", "trillion"]
      millidx = max(0, min(len(word)-1, int(np.floor(np.log10(abs(number))/3.0))))
      return "{0:.1f} {1}".format(number/10**(3*millidx), word[millidx])
docs: Return a digit in a human-readable string form.
  
      :param number:
          The obfuscated number.
  
      :type number:
          float
  
      :returns:
          A more human-readable version of the input number.
  
      :rtype:
          str