a2_1.py

def print_range(start, end):
	print start
	if start == end:
		return
	elif start > end:
		print_range(start - 1, end)
	else:
		print_range(start + 1, end)

start = int(raw_input("Enter start of range: "))
end = int(raw_input("Enter end of range: "))
print_range(start, end)