Write a program that asks the user to enter a person's age. The program should display a message indicating whether the person is an infant, a child, a teenage, or an adult. Following are the guidelines for each person:
1 year old or less, he or she is an infant
Older than 1 year, but younger than 13 years, he or she is a child
At least 13 years old, but less than 20 years old, he or she is a teenager
At least 20 years old, he or she is an adult.