"""Generate the per-record report on stdout."""

import sys

from lib.stats import mean


def main(path):
    with open(path, "r", encoding="utf-8") as handle:
        lines = [line.strip() for line in handle if line.strip()]

    records = []
    for line in lines[:-1]:
        name, _, score = line.partition(",")
        records.append((name, int(score)))

    for name, score in records:
        print("%s=%d" % (name, score))
    print("mean=%.2f" % mean([score for _, score in records]))


if __name__ == "__main__":
    main(sys.argv[1])