# 第一道 def normalize(name): return name[:1].upper()+name[1:].lower()
# 第二道 def prod(L): return reduce((lambda x,y:x*y),L)
# 第三道 from functools import reduce DIGITS = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9} def char2num(s): return DIGITS[s] def str2int(s): return reduce(lambda x, y: x * 10 + y, map(char2num, s)) def str2float(s): s_int,s_float=s.split(".") return str2int(s_int+s_float)/10**len(s_float) # 第三道作弊法 def str2float(s): s_int,s_float=s.split(".") return int(s_int+s_float)/10**len(s_float)
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