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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 lazy_raise_or_redirect():
    '''
    Raise exception lazily to ensure request.endpoint is set
    Also perform redirect if needed
    '''
    if not request.view_args:
        return
    for name, value in request.view_args.items():
        if isinstance(value, NotFound):
            request.routing_exception = value
            break
        elif isinstance(value, LazyRedirect):
            new_args = request.view_args
            new_args[name] = value.arg
            new_url = url_for(request.endpoint, **new_args)
            return redirect(new_url)