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