#!/usr/bin/env python3
"""Prints only the [security] items of a numbered review list."""
import re, sys
items, cur = [], None
for line in open(sys.argv[1]).read().splitlines():
    if re.match(r"\s*\d+\.\s+", line):
        cur = [line]; items.append(cur)
    elif cur is not None:
        cur.append(line)
print("\n".join("\n".join(i) for i in items if re.match(r"\s*\d+\.\s+\[security\]", i[0])))