PgCtL1BN

1DOMAINS = {
2    "@hotmail.com": "hotmail",
3    "@gmail.com": "gmail",
4    "@yahoo.com": "yahoo",
5    "@mail.ru": "mailru"
6    }
7
8results = {}
9not_found = 0
10
11print("Enter five e-mails:")
12for _ in range(5):
13    mail = raw_input("Mail: ").lower()
14    for domain in DOMAINS:
15        if mail.endswith(domain):
16            if DOMAINS[domain] in results:
17                results[DOMAINS[domain]] += 1
18            else:
19                results[DOMAINS[domain]] = 1
20            break
21    else:
22      not_found += 1
23
24for domain in results:
25    print("%s: %s" % (domain, results[domain]))
26print("Not found: %s" % not_found)