import functools

def trace_func(func):
    @functools.wraps(func)
    def wrapper_trace_func(*args, **kwargs):
        # Log function entry and arguments
        print(f"Entering {func.__name__} with args: {args}, kwargs: {kwargs}")
        result = func(*args, **kwargs)
        # Log function exit and result
        print(f"Exiting {func.__name__} with result: {result}")
        return result
    return wrapper_trace_func

if __name__ == '__main__':
    # below is the function to be traced, but it is not defined here, just a placeholder
    trace_func('dk')