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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 format_request_email_body(increq, **ctx):
 """Format the email message body for inclusion request notification. :param increq: Inclusion request object for which the request is made. :type increq: `invenio_communities.models.InclusionRequest` :param ctx: Optional extra context parameters passed to formatter. :type ctx: dict. :returns: Email message body. :rtype: str """

    template = current_app.config["COMMUNITIES_REQUEST_EMAIL_BODY_TEMPLATE"],
    return format_request_email_templ(increq, template, **ctx)