YieldPassed block when method is called. Which will be executed with yielddef make_momo puts "---This is start" yield puts yield puts "This is End---"end make_momo { puts "Make momo with Tofu" }CopyOutput:$ruby main.rb---This is startMake momo with TofuMake momo with Tofu This is End---CopyTODO: Yield with parameters