docs: def separate(text):
      '''Takes text and separates it into a list of words'''
      alphabet = 'abcdefghijklmnopqrstuvwxyz'
      words = text.split()
      standardwords = []
      for word in words:
          newstr = ''
          for char in word:
              if char in alphabet or char in alphabet.upper():
                 newstr += char
          if newstr != '':
              standardwords.append(newstr)
      return map(lambda x: x.lower(),standardwords)