SameAbstrationLevel

gistfile1.cs

void UpdatePersonWithId(int personId) {
    Person personToFind = FindPersonWithId(personId);
    if (personToFind != null)
        SavePerson(personToFind);
}

void FindPersonWithId(int personId) {
    Person personToFind = null;
    foreach(person in personList) {
        if (person.id == personId) {
            return person;
        }
    }
    return null;
}