from functools import reduce
def str2num(s): res=0 try: res=int(s) except ValueError: res=float(s) return res
def calc(exp): ss = exp.split('+') ns = map(str2num, ss) return reduce(lambda acc, x: acc + x, ns)
def main(): r = calc('100 + 200 + 345') print('100 + 200 + 345 =', r) r = calc('99 + 88 + 7.6') print('99 + 88 + 7.6 =', r)
main()
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Gonathan佳
from functools import reduce
def str2num(s): res=0 try: res=int(s) except ValueError: res=float(s) return res
def calc(exp): ss = exp.split('+') ns = map(str2num, ss) return reduce(lambda acc, x: acc + x, ns)
def main(): r = calc('100 + 200 + 345') print('100 + 200 + 345 =', r) r = calc('99 + 88 + 7.6') print('99 + 88 + 7.6 =', r)
main()