In [8]: import string In [9]: dir(string) In [10]: string.ascii_letters Out[10]: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' In [11]: string.ascii_lowercase Out[11]: 'abcdefghijklmnopqrstuvwxyz' In [12]: string.ascii_uppercase Out[12]: 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' In [13]: string.digits Out[13]: '0123456789' In [14]: string.punctuation Out[14]: '!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~' In [15]: string.whitespace Out[15]: '\t\n\x0b\x0c\r '
来源:https://www.cnblogs.com/my8100/p/7068512.html