from functools import reduce
#int('7.6')报错
def str2num(s): if '.' not in s: return int(s) else: s1=s.split('.') s=int(s1[0])+(0.1*len(s1[1])int(s1[1])) return s
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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用户6822917370
from functools import reduce
#int('7.6')报错
def str2num(s): if '.' not in s: return int(s) else: s1=s.split('.') s=int(s1[0])+(0.1*len(s1[1])int(s1[1])) return s
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()