python编程计算器_Python编写的计算器程序_weixin_39959192的博客

importre,traceback

# s = '1 -+++++++++ 2 * ( (60-30 ++(----9-2- 5-2*-3++-5/3-40*+4//++++2-3/5+6****3) * (++++++-9-2-5-2*5/3 + 7 /3*99/4)))'s = '----1+2+3+4+5+20*100-10*10'defformat(s):# s = '1 -+++++++++ 2 * (