Variables

printf("There once was a man named %s", characterName); printf("He was %d years old", characterAge); printf("He really liked the name %s", characterName); printf("But didn't like being %d", characterAge);

printf("There once was a man named %s", characterName); printf("He was %d years old", characterAge);

characterAge = 80;

printf("He really liked the name %s", characterName); printf("But didn't like being %d", characterAge);

Names are case-sensitive and may begin with: letters, _ After, may include letters, numbers, _ Convention says Start with a lowercase word, then additional words are capitalized ex. myFirstVariable