def str2float(s): l1, l2 = s.split('.') ret1 = reduce(fn, map(str2digit, l1)) ret2 = reduce(fm, map(str2digit, l2[::-1]))/10 return ret1+ret2
def fn(x, y): return 10*x + y
def fm(x, y): return x/10 + y
def str2digit(a): dict = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9} return dict[a]
Sign in to make a reply
蓝萨节
def str2float(s): l1, l2 = s.split('.') ret1 = reduce(fn, map(str2digit, l1)) ret2 = reduce(fm, map(str2digit, l2[::-1]))/10 return ret1+ret2
def fn(x, y): return 10*x + y
def fm(x, y): return x/10 + y
def str2digit(a): dict = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9} return dict[a]