def addition(a,b):
    return a+b
def substraction(a,b):
    return a-b
def multiplication(a,b):
    return a*b
def division(a,b):
    return a/b
def floordivision(a,b):
    return a//b
def modulation(a,b):
    return a%b
def power(a,b):
    return a**b

