def email_chk(val):
    """Function to detect the validity email"""
    import re
    regex = '^\\w+([\\.-]?\\w+)*@\\w+([\\.-]?\\w+)*(\\.\\w{2,3})+$'
    c = 0
    if re.search(regex, val):
        return 'Valid'
    else:
        return 'Not Valid'
