# -*- coding:utf-8 -*- from functools import reduce def str2float(s): s1,s2=s.split('.') x=s1+s2 def str2int(n): return({'0':0,'1':1,'2':2,'3':3,'4':4,'5':5,'6':6,'7':7,'8':8,'9':9}[n]) def fn(x,y): return x*10+y return reduce(fn,map(str2int,x))/10**(len(s)-s.index('.')-1) print(str2float(input('请输入浮点数:')))
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Gussun