废话不多少,上代码,求个赞。
number1=int(input('请输入一个数字'))
number2=int(input('请输入第二个数字'))
char1=str(input('请输入运算符号'))
if char1=='+':
print(number1+number2)
elif char1=='-':
print(number1-number2)
elif char1=='*':
print(number1*number2)
elif char1=='/':
print(number1/number2)
else:
print('错误')