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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def validate_comma_separated_emails(value):
 """ Validate every email address in a comma separated list of emails. """

    if not isinstance(value, (tuple, list)):
        raise ValidationError('Email list must be a list/tuple.')

    for email in value:
        try:
            validate_email_with_name(email)
        except ValidationError:
            raise ValidationError('Invalid email: %s' % email, code='invalid')