Email Sort By Domain

import re

try:

    file = open("s.txt")
    for line in file:
        line = line.strip()
        emails = re.findall(r"@[\w-]+\.[\w.-]+", line)
        if(len(emails) > 0):
            g = open(f'{emails}.txt', 'a', encoding='utf-8')
            g.write(line + '\n')
            g.close()

except FileNotFoundError as e:
    print(e)

#ErrOr
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