gistfile1.py

def calculate_if_equal_rek(n, t):
	if (t>n):
		return False
	else:
		if (t==n):
			return True
		else:
			if (t<n):
				t = t+2
				return calculate_if_equal_rek(n, t)

def calculate_if_equal_start(n):
	'''Convenience function so you don't have to type 0 all the time'''
	result = calculate_if_equal_rek(n, 0)
	return result
	
def get_all_even_numbers(start, end):
	numbers = []
	k = start
	while k < end:
		numbers.append(k)
		k += 1
	for k in numbers:
		if calculate_if_equal_start(k) == True:
			print k
				
get_all_even_numbers(0, 10)
print ""
get_all_even_numbers(10, 20)
print ""
get_all_even_numbers(5, 8)