使用map和reduce函数将str转换为float
- 作者: 段友457123
- 来源: 51数据库
- 2022-08-17
def str2float(s): def str2int(ns): return {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}[ns] def f(x,y): return x*10+y resultNum = 0 numL = s.split('.') for index,numS in enumerate(numL): if index==0: resultNum = resultNum + reduce(f,map(str2int,numS)) else: resultNum = resultNum + reduce(f,map(str2int,numS))*pow(10,0-len(numS)) return resultNum
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