def forloop():

    for i in range(10):
        if i % 2 == 0:
            print("x")
            print(i)

def add(x, y):

    print(f"{x} + {y} = {x+y}\n")

def subtract(x, y) -> int:
    """
    Very cool function that will subtract two ints
    return: int
    """
    print(f"{x} - {y} = {x-y}\n")
    return x + y

# open terminal 100:  f1 
subtract(1, 2)