Day_04_Class_vs_Instance.py

class Person:
    def __init__(self,initialAge):
        if(initialAge) < 0:
            self.age = 0
            print('Age is not valid, setting age to 0.')
        else:
            self.age = initialAge
    def amIOld(self):
        if self.age < 13:
            print('You are young.')
        elif self.age >= 13 and self.age < 18:
            print('You are a teenager.')
        elif self.age >= 18:
            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("")