#!/usr/bin/env python import sys nrow = 2 ncol = 100 if len(sys.argv) == 2: ncol = int(sys.argv[1]) if len(sys.argv) == 3: nrow = int(sys.argv[1]) ncol = int(sys.argv[2]) prefix = "k" for i in range(nrow): for j in range(ncol): if j == 0: sys.stdout.write("%s%07d" % (prefix, j)) else: sys.stdout.write("\t%s%07d" % (prefix, j)) sys.stdout.write("\n") prefix = "v"