Good evening,please help me for this homework.- Write your self . Tanks

Good evening, do you mean "Write about yourself?"
You could say:
Hello, my name is Paul (ou autre)
I'm 17 years old. I have a brother and a sister (à vous de choisir ce qui convient).
I live in (city name).
My favorite hobbies are football and playing tennis.
I'm fond of thrillers and comedies.
I also enjoy video games.
I would like to become a doctor later on.