def run(coro): __import__('nest_asyncio').apply(); return __import__('asyncio').run(coro)
def sync(func): return lambda *args, **kwargs: run(func(*args, **kwargs))

from playwright.async_api import async_playwright
browser = run(run(async_playwright().start()).firefox.launch())
for attr in dir(page := run(browser.new_page())):
    if attr[0] != '_' and callable(method := getattr(page, attr)):
        setattr(page, attr, sync(method))
page._repr_png_ = page.screenshot
page.goto('https://naver.com')

"""
Linux (WSL Debian)

pip install playwright
playwright install --with-deps
"""
def Page():
    def sync(f): 
        import asyncio, threading, queue, functools; asyncio.set_event_loop_policy(None)
        def thread():
            while sync.q.get(): f,a,k = sync.p; sync.p = f(*a, **k); sync.q.task_done()
        if not hasattr(sync, 'q'):
            sync.q = queue.Queue(); threading.Thread(target=thread).start()
        def fun(*a, **k): sync.p = f,a,k; sync.q.put(True); sync.q.join(); return sync.p
        return functools.wraps(f)(fun)
    @sync
    def Page():
        from playwright.sync_api import sync_playwright as P
        (context := P().start().firefox.launch().new_context()).set_default_timeout(0)
        for attr in dir(page := context.new_page()):
            if attr[0] != '_' and callable(f := getattr(page, attr)):
                setattr(page, attr, sync(f))
        page._repr_png_ = page.screenshot
        page.goto = lambda url, goto=page.goto: goto(
            url if '//' in url else f'https://{url}', wait_until='networkidle')
        return page
    return Page()
page = Page()
page.goto('google.com')
page

IPython on Windows

def thread(func):
    import asyncio, concurrent
    asyncio.set_event_loop_policy(asyncio.WindowsProactorEventLoopPolicy())
    return lambda: concurrent.futures.ThreadPoolExecutor().submit(func).result()

def handle(route):
    print(route.request.url)
    route.continue_()

@thread
def main():
    from playwright.sync_api import sync_playwright
    with sync_playwright() as playwright:
        (page := playwright.firefox.launch().new_page()).set_default_timeout(0)
        page.route('**/*', handle)
        page.goto('https://google.com')

main()