old_contents: # -*- coding: utf-8 -*-
  """Generate random story using trigrams."""
  import io
  import string
  
  
  def read_file():
      """Open and read file input."""
      f = io.open('sherlock_small.txt', 'r')
      lines = ''.join(f.readlines())
      print(lines)
      return lines
  
  
  def strip_punct(text):
      """Do stuff."""
      # strip punct from
      # print(type(text))
      for c in string.punctuation:
          text.replace(c, ' ')
  
  
  text = read_file()
  strip_punct(text)
  
new_contents: # -*- coding: utf-8 -*-
  """Generate random story using trigrams."""
  import io
  import string
  
  
  def read_file():
      """Open and read file input."""
      f = io.open('sherlock_small.txt', 'r')
      lines = ''.join(f.readlines())
      # print(lines)
      return lines
  
  
  def strip_punct(text):
      """Do stuff."""
      # strip punct from
      # print(type(text))
      for c in string.punctuation:
          text = text.replace(c, ' ')
      return text
  
  
  text = read_file()
  print(strip_punct(text))
  
subject: Add return statement to strip_punct