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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def config_after_window(self, w, wconf):
 """Actions to apply to window after window and pane finished. When building a tmux session, sometimes its easier to postpone things like setting options until after things are already structurally prepared. Parameters w : :class:`libtmux.Window` window to create panes for wconf : dict config section for window """

        if 'options_after' in wconf and isinstance(wconf['options_after'], dict):
            for key, val in wconf['options_after'].items():
                w.set_window_option(key, val)