def add(x, y):
    """add 2 numbers together"""
    return x + y


def subtract(x, y):
    """subctract 2 numbers"""
    return y - x

def add(x, y):
    """add 2 numbers together"""
    return x + y


def subtract(x, y):
    """subctract 2 numbers"""
    return y - x

add 2 numbers together subctract 2 numbers