while True:
num1 = float(input("請輸入第一個數字:"))
num2 = float(input("請輸入第二個數字:"))
operator = input("請輸入運算符號(+、-、*、/):")
if operator == '+':
result = num1 + num2
elif operator == '-':
result = num1 - num2
elif operator == '*':
result = num1 * num2
elif operator == '/':
result = num1 / num2
else:
print("請輸入有效的運算符號!")
continue
print("計算結果為:", result)
repeat = input("是否繼續計算?(輸入 y 繼續,其他任意鍵退出):")
if repeat.lower() != 'y':
break