this is an older topic, but it may help someone:

#full name
full_name = "armin van buuren"
#First name
print(f"Name : {full_name.split(" ", 1)[0].title()}")
#family name or last name
print(f"Surname : {full_name.split(" ", 1)[-1].title()}")

Result:

Name : Armin

Surname : Van Buuren