RegEx, Pattern & Into to databases | 30 days of Code | Hacker Rank Solution | Python

if __name__ == '__main__':

    gmail_regex = re.compile("^[a-z\.]+@gmail.com$")

    gmail_accounts = dict()

    N = int(input())

    for N_itr in range(N):

        firstNameEmailID = input().split()

        firstName = firstNameEmailID[0]

        emailID = firstNameEmailID[1]

        if gmail_regex.match(emailID):

            gmail_accounts[emailID] = firstName

    sorted_names = sorted(gmail_accounts.values())

    print(*sorted_names, sep="\n")