day-04-class-vs-instance.py

# Day 4: Class vs. Instance
# https://www.hackerrank.com/challenges/30-class-vs-instance/problem

class Person:
    age = 0
    def __init__(self,initialAge):
        if initialAge < 0:
            self.age = 0
            print('Age is not valid, setting age to 0.')
        self.age = initialAge
    def amIOld(self):
        if self.age < 13:
            print('You are young.')
        elif self.age in range(13, 18):
            print('You are a teenager.')
        else:
            print('You are old.')
    def yearPasses(self):
        self.age += 1

t = int(input())
for i in range(0, t):
    age = int(input())         
    p = Person(age)  
    p.amIOld()
    for j in range(0, 3):
        p.yearPasses()       
    p.amIOld()
    print("")