   
year = int(input("Please enter your birth year: "))

print("You are {} years old".format(2021-year))
712b59f760e86fbe4e784818cf9a7a984ebb6dfb
<mask token>

<mask token>
print('You are {} years old'.format(2021 - year))

year = int(input('Please enter your birth year: '))
print('You are {} years old'.format(2021 - year))

   
year = int(input("Please enter your birth year: "))

print("You are {} years old".format(2021-year))