code: def read_links(self, file, encoding=None):
          '''Return an iterator of links found in the document.
  
          Args:
              file: A file object containing the document.
              encoding (str): The encoding of the document.
  
          Returns:
              iterable: str
          '''
          return [item[0] for item in self.iter_text(file, encoding) if item[1]f read_links(self, file, encoding=None):
          '''Return an iterator of links found in the document.
  
          Args:
              file: A file object containing the document.
              encoding (str): The encoding of the document.
  
          Returns:
              iterable: str
          '''
          return [item[0] for item in self.iter_text(file, encoding) if item[1]]
docs: Return an iterator of links found in the document.
  
          Args:
              file: A file object containing the document.
              encoding (str): The encoding of the document.
  
          Returns:
              iterable: str