记录
Topic source你的第三个太长了
def str2float(s):
s_int = s.split('.')[0]
s_float = '0.' + s.split('.')[1]
return reduce(lambda x, y: x + y, map(float, [s_int, s_float]))
- 1
你的第三个太长了
def str2float(s):
s_int = s.split('.')[0]
s_float = '0.' + s.split('.')[1]
return reduce(lambda x, y: x + y, map(float, [s_int, s_float]))
1090
1、
def normalize(name):
return name.title()
2、
def prod(L):
def fx(a,b):
return a*b
return reduce(fx,L)
3、
def str2float(s):
DIGITS = {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, '6': 6, '7': 7, '8': 8, '9': 9}
def fn(x, y):
return x * 10 + y
def char2num(s):
return DIGITS[s]
# 将字符串按小数点分割成整数部分和小数部分
parts = s.split('.')
integer = reduce(fn, map(char2num, parts[0]))
decimal = reduce(fn, map(char2num, parts[1])) / (10 ** len(parts[1]))
return integer + decimal