
def add(x,y):
    return x+y

def subtract(a,b):
    return a-b

def multiplication(x,y,z):
    return x*y*a

def division(x,y):
    return x/y

def name(my_name):
    if name == my_name:
        return name
    
def absolute(x):
    if x<0:
        return -y
    return x

def concatenate(string_a,string_b):
    return string_a + string_b
    

def number(a):
return a


def date (today/date):
    
def week():

def add2(a,b,c):
    return a+b

def division2 (r,u):
    return r+u

def multiplication2 (c,b,r):
    return c*b_r
