def find_neighbor(x,y):
	"""if y is within +-10bp of x"""
	# print (x,y)
	chr_x = x[:-1].split(":")[0]
	start_x = int(x[:-1].split(":")[-1].split("-")[0]) 
	chr_y = y[:-1].split(":")[0]
	start_y = int(y[:-1].split(":")[-1].split("-")[0]) 
	# print (chr_x,chr_y,start_x,start_y)
	if chr_x != chr_y:
		return False
	if abs(start_y-start_x)<=10:
		return True
	return False