only works in python no libraries

addition.py

num1 = input("enter the first number of the subtraction equation")
num1 = int(num1)
num2 = input ("enter the second number of the subtraction equation")
num2 = int(num2)
print(num1 + num2)

subtraction.py

num1 = input("enter the first number of the addition equation")
num1 = int(num1)
num2 = input ("enter the second number of the addition equation")
num2 = int(num2)
print(num1 - num2)

hope its helpful