 
 <prompt> Comet Halley ta zama kowane shekara 75. Baban Bill ya gani Comet lokacin da ya kasance 30 na shekara. Bill ya gani Comet data lokacin ya kasance mafi yawa guda biyu cikin shekaru da babansa ya gani Comet. Yaya ne Bill ya gani Comet data lokacin ya kasance mafi farko? Yi amfani da Python function. <response>: Comet Halley ta zama sama duk shekara 75. Babban abin Bill ya gani Comet lokacin da ya kasance 30 da suka. Bill ya gani Comet mako lokacin da ya kasance mafi yawa mafi yawa shekaru da babbansa ya gani Comet. Yaya ne Bill ya gani Comet lokacin da ya kasance mafi yawa? 