<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?najiondoa kama makamu wa rais wa jamhuri ya zimbabwe... mara moja, akasema kiongozi huyo mwenye umri wa miaka 71, katika barua iliyochapishwa katika akaunti ya twitter ya wizara ya habari.  <response>: i am stepping down as the vice-president of the republic of zimbabwe ...with immediate effect, the 71-year-old leader said in a letter posted on the information ministrys twitter account. 