ClassvsInstance.py

class Person:
    def __init__(self, initialAge):
        if (initialAge < 0):
            print("Age is not valid, setting age to 0.")
            self.initialAge = 0
        else:
            self.initialAge = initialAge
        # Add some more code to run some checks on initialAge

    def amIOld(self):
        if (self.initialAge >= 18):
            print("You are old.")
        elif (self.initialAge >= 13):
            print("You are a teenager.")
        else:
            print("You are young.")

    # Do some computations in here and print out the correct statement to the console
    def yearPasses(self):
        self.initialAge = self.initialAge + 1


# Increment the age of the person in here


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("")