ar&#34;,
        &#34;apr&#34;,
        &#34;may&#34;,
        &#34;jun&#34;,
        &#34;jul&#34;,
        &#34;aug&#34;,
        &#34;sep&#34;,
        &#34;oct&#34;,
        &#34;nov&#34;,
        &#34;dec&#34;,
    ]
    curr = &#34;RP.&#34; + mons[date.month - 1] + str(date.year) + &#34;.1.gbl1&#34;
    if not date.month == 1:
        prev = &#34;RP.&#34; + mons[date.month - 2] + str(date.year) + &#34;.1.gbl1&#34;
    else:
        prev = &#34;RP.&#34; + mons[-1] + str(date.year - 1) + &#34;.1.gbl1&#3