2023-6-10 17:52:52
Topic source我又简化了下本章中的例题【dog】
from functools import reduce
DIGITS ={f'{k}':k for k in range(10)}
def char2num(s):
return DIGITS[s]
def str2int(s):
return reduce(lambda x, y: x * 10 + y, map(char2num, s))
print(char2num("5"))
print(str2int("5645213256479"))
- 1
Goal&Action&恩
def normalize(name):
a=name[0].upper()+name[1:].lower()
return a