

def factorial(num):
    """this factorial calls itself to find the factorial of a number"""
    if num==1:
        return 1
    else:
        return(num*factorial(num-1))
#print("factorial of",5,"is:",factorial(5))

def sum_of_two_number(a, b):
    return a+b

def difference_of_two_numbers(a,b) :
    return a-b
2cf0057f2d4812bd5abf920d24f010cdfa82e915
<mask token>

<mask token>


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

<mask token>


def sum_of_two_number(a, b):
    return a + b


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

def factorial(num):
    """this factorial calls itself to find the factorial of a number"""
    if num == 1:
        return 1
    else:
        return num * factorial(num - 1)


def sum_of_two_number(a, b):
    return a + b


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



def factorial(num):
    """this factorial calls itself to find the factorial of a number"""
    if num==1:
        return 1
    else:
        return(num*factorial(num-1))
#print("factorial of",5,"is:",factorial(5))

def sum_of_two_number(a, b):
    return a+b

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