ret = name[0].upper() for i in name[1:]: ret = ret + i.lower() #字符拼接 return ret def prod(L): def Mul(x, y): return x*y return reduce(Mul, L) #练习3的难点在小数点处理,看了大家的思路:一刀切两半分别处理,然后再拼接成小数
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