If some one receives an electric shock there are chances that they may still be in contact with the source of electricity, you need to tell an adult to turn of the main power source of the house. You can call up the emergency line and ask them for help tell them it's an electrical accident. When the victim is out of contact of the electric charge make sure you give them some sort of medical treatment this treatment can also include CPR. Electrical shocks can cause damage like burns inside the body so it is very essential to take the victim to the nearest doctor or hospital and give them proper treatment. Do not take electric shocks lightly they can result in death. Make sure that you operate electrical switches with utmost precaution.
