python string模块

string.

ascii_lowercase

='abcdefghijklmnopqrstuvwxyz'

string.

ascii_uppercase

='ABCDEFGHIJKLMNOPQRSTUVWXYZ'

string.

ascii_letters

='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'

string.

digits

='0123456789'

string.

hexdigits

='0123456789abcdefABCDEF'

string.

octdigits

='01234567'

string.

punctuation

标点符号 !"#$%&'()*+,-./:;<=>?@[\]^_`{|}~

string.whitespace

空白符 space，tab，换行等

string.

printable

可打印字符，以上所有集合