input: Write a function to open a URL in a new tab using the webbrowser module.
  assert open_url_in_new_tab("http://example.com/") is None
  assert open_url_in_new_tab("http://example.org/") is None
  assert open_url_in_new_tab("http://example.net/") is None
output: def open_url_in_new_tab(url):
      import webbrowser
      webbrowser.open_new_tab(url)