"""
Have the function FirstFactorial(num) take the num parameter being passed and
return the factorial of it (ie. if num = 4, return (4 * 3 * 2 * 1)). For the
test cases, the range will be between 1 and 18.
"""
def firstFactorial(num):
	result = 1
	for i in range(1,num+1):
		result *= i
	return result

firstFactorial(5)