Discuss / Python / 第三题解答
Back

第三题解答

Topic source

不知不觉w

#1 Created at ... [Delete] [Delete and Lock User] 
def str2num(s):
    return {'0': 0, '1': 1, '2': 2, '3': 3, '4': 4, '5': 5, 
         '6': 6, '7': 7, '8': 8, '9':9}[s]
pp = s.index('.')
ss = s[:pp] + s[pp+1:]    
result = reduce(lambda x, y: x * 10 + y, map(str2num,ss))
return result / (10**len(s[pp+1:]))

柯基找饭吃

#2 Created at ... [Delete] [Delete and Lock User]

请问ss = s[:pp] + s[pp+1:] 是什么意思

summons_M

#3 Created at ... [Delete] [Delete and Lock User]

'123'+'456'拼接字符串

  • 1

Reply