Age Classifier

Write a program that asks the user to enter a persons age. The program should display a message indicating whether the person is an infant, a child, a teenager, or an adult. Following are the guidelines:

If the person is 1 year old or less, he or she is an infant.

If the person is older than 1 year, but younger than 13 years, he or she is a child.

If the person is at least 13 years old, but less than 20 years old, he or she is a teenager.

If the person is at least 20 years old, he or she is an adult.

Please can I get answer with python according to the teacher's instructions below and in the final program put

print("Invalid Age!!)

These are the instructions comments of my teacher for write this program. Please can you be following as below:

#Name: keep Blank

#Date: Keep Blank

#Program Description: Please filling this part for me

#Declare and Initialize Variables: Please Write this part for me

#Get Inputs: Please Write this part for me

#Begin Processing: Please write this part for me

#Get Outputs: Please Write this part for me