The order in which you do cardio and weightlifting can affect your results.
If you do cardio before weightlifting, you may have less energy for lifting weights.
If you do weightlifting before cardio, you may not have as much energy for cardio.
If your goal is to build muscle, it's best to do weightlifting first.
If your goal is to improve cardiovascular health, it's best to do cardio first.
Ultimately, the best order for your workout depends on your goals and personal preferences.