Saves a text file of the search result links.
    
    Saves a text file of the search result links, where each link 
    is saved in a new line. An example is provided below::
      
      http://www.google.ca
      http://www.gmail.com
    
    Args:
      file_path (str):
        Path to the text file to save links to.

def save_links(self, file_path):
    """Saves a text file of the search result links.
    
    Saves a text file of the search result links, where each link 
    is saved in a new line. An example is provided below::
      
      http://www.google.ca
      http://www.gmail.com
    
    Args:
      file_path (str):
        Path to the text file to save links to.
    """
    data = '\n'.join(self.links)
    with open(file_path, 'w') as out_file:
      out_file.write(data)