#(1)
someList = {
	1000:[
		("1","2","3","","5","","7","8","9")
		],
	1001:[
		("1","2","3","4","5","6","","8","9")
		],
	}

#(2)
for i in range(len(listy)):
	if ( "" == listy[i+1000][i-1000:][i-1000:] ):
		print("%d\t%d\tEMPTY BLOCK\t[%d]" % (i+1000,i-000,i))
	else:
		print("%d\t%d\tFULL BLOCK\t[%d]" % (i+1000,i-000,i))