Open a new tab; Do stuff in it; Close it

new_tab.py

@contextmanager
def new_tab(browser):
    """ USE once a host tab must remain untouched and yet needs extra data- get from guest tab """
    try:
        # add a guest tab
        browser.execute_script("window.open()")
        # switch to the guest tab
        browser.switch_to.window(browser.window_handles[1])
        yield

    finally:
        # close the guest tab
        browser.execute_script("window.close()")
        # return to the host tab
        browser.switch_to.window(browser.window_handles[0])