3-2-6 IPアドレスを扱う import pandas as pd import psycopg2 import numpy as np import ipaddress ip1 = ipaddress.ip_address('127.0.0.1') ip2 = ipaddress.ip_address('127.0.0.2') ip3 = ipaddress.ip_address('192.168.0.1') df = pd.DataFrame({'lt…