04th day: Class vs. Instanc

class Person:
    def __init__(self,initialAge):
        if age < 0:
            print('Age is not valid, setting age to 0.')
            self.age = 0
        else:
            self.age=age
    def amIOld(self):
        if self.age < 13:
            print('You are young.')
        elif self.age>=13 and self.age<18:
            print('You are a teenager.')
        else:
            print('You are old.')
        
        
        # Do some computations in here and print out the correct statement to the console
    def yearPasses(self):
        self.age += 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("")
    
    '''Sample Input

4
-1
10
16
18

Sample Output

Age is not valid, setting age to 0.
You are young.
You are young.

You are young.
You are a teenager.

You are a teenager.
You are old.

You are old.
You are old.
'''