#!/usr/local/epd/bin/python import sys raws = sys.stdin.readlines() data = [] for r in raws: if not r or r.startswith("#"): continue tmp = r.split(",") data.append([float(tmp[0]), float(tmp[1])]) dt = data[1][0] - data[0][0] for n in range(1000): print "%f " % (n * dt), sum = 0.0 nsum = 0.0 index = 0 while index + n < len(data): nsum += 1 sum += data[index][1] * data[index + n][1] index += 1 av = sum / nsum print "%f" % av