global number_1,number_2,number_3 def plus(): try: number_1 = Element("entry_1").value number_2 = Element("entry_2").value number_1 = int(number_1) number_2 = int(number_2) number_3= number_1 + number_2 display(number_3, target="output", append=False) except: display("数字を入力してください", target="output", append=False) def minus(): try: number_1 = Element("entry_1").value number_2 = Element("entry_2").value number_1 = int(number_1) number_2 = int(number_2) number_3= number_1 - number_2 display(number_3, target="output", append=False) except: display("数字を入力してください", target="output", append=False) def times(): try: number_1 = Element("entry_1").value number_2 = Element("entry_2").value number_1 = int(number_1) number_2 = int(number_2) number_3= number_1 * number_2 display(number_3, target="output", append=False) except: display("数字を入力してください", target="output", append=False) def div(): try: number_1 = Element("entry_1").value number_2 = Element("entry_2").value number_1 = int(number_1) number_2 = int(number_2) number_3= number_1 / number_2 display(number_3, target="output", append=False) except: display("数字を入力してください", target="output", append=False)