Detect the Email Addresses

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    import re
    l=[]
    for _ in range(int(input())):
        n=input()
        m=re.findall(r"[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}",n)
        l.extend(m)
    print(";".join(sorted(set(l))))