class cls: def __init__(self): print("더하기->(1) 빼기->(2) 곱하기->(3) 나누기->(4)") def inp(self,arr,cnt): self.arr = arr self.cnt = cnt while True: if cnt>2: self.sec yesorno = int(input()) self.select(yesorno) def select(self,s): if s==1: print(self.pr1()) elif s==2: print(self.pr2()) elif s==3: print(self.pr3()) elif s==4: print(self.pr4()) else: print(self.pr5()) def pr1(self): return self.aa+self.bb def pr2(self): return self.aa-self.bb def pr3(self): return self.aa * self.bb def pr4(self): return self.aa / self.bb def pr5(self): self.cnt= self.cnt + 1 self.arr.append(int(input())) return ' 'a, b = input().split()a = int(a)b = int(b)arr = [a,b]x = cls()x.inp(arr,2)
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20240203
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