Lotteries在以下每个挑战中，我们的目标是在guess时正确猜测答案第一题：Guessthenumber代码：pragmasolidity^0.4.21;contractGuessTheNumberChallenge{uint8answer=42;functionGuessTheNumberChallenge()publicpayable{require(msg.value==1ether);}functionisComplete()publicviewreturns(bool){returnaddress(this).balance==0;}functionguess(uint8n)p
