print (re.findall("(?:abc)+","abcabcabc"))

_*_ coding:utf-8 _*_

import re

findall 有括号优先级,因此咱们这里一直出现的都是 abc

print (re.findall("(abc)+","abcabcabc"))

(?:)取消 findall 的默认括号优先级

print (re.findall("(?:abc)+","abcabcabc"))