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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 delete(community):
 """Delete a community."""

    deleteform = DeleteCommunityForm(formdata=request.values)
    ctx = mycommunities_ctx()
    ctx.update({
        'deleteform': deleteform,
        'is_new': False,
        'community': community,
    })

    if deleteform.validate_on_submit():
        community.delete()
        db.session.commit()
        flash("Community was deleted.", category='success')
        return redirect(url_for('.index'))
    else:
        flash("Community could not be deleted.", category='warning')
        return redirect(url_for('.edit', community_id=community.id))