Module 1

Module named newmodule.py should contain this code (if you are 20 years old):

# newmodule.py

myage=20
year=2021

Module 2

Module named newmodule2.py should contain this code (if you were born in 2001):

# newmodule2.py

myage=0
year=2001
import newmodule, newmodule2

print("Have I had my birthday this year yet?\n")
print((newmodule.myage - newmodule2.myage) == (newmodule.year - newmodule2.year))

Modifying an attribute of an imported module:

newmodule.myage -= 1

print(newmodule.myage)

print("Have I had my birthday this year yet?\n")
print((newmodule.myage - newmodule2.myage) == (newmodule.year - newmodule2.year))