calc.py

'''
 1 - 2 * ( (60-30 +(-40/5) * (9-2*5/3 + 7 /3*99/4*2998 +10 * 568/14 )) - (-4*3)/ (16-3*2) )
'''


import re
calcStr = "1 - 2 * ( (60-30 +(-40/5) * (9-2*5/3 + 7 /3*99/4*2998 +10 * 568/14 )) - (-4*3)/ (16-3*2) )"
calcStr = re.sub("\ ","",calcStr)
# print(calcStr)

tmpStr = ""
# tmpStr = re.search("\([\(\)\+\-\*/\d]+",calcStr)
# print(tmpStr.group())


def strExecute(inStr):
    print(inStr)
    outStr = ""
    outStr = re.search("\([\(\)\+\-\*/\d]+",inStr)
    if outStr is not None:
        outStr = strExecute(outStr.group(0)[1:])
        print("pos1",outStr)
        return outStr
    else:
        return inStr

tmpStr = strExecute(calcStr)
print("[Final]:",tmpStr)