Find all adverbs and their positions

for m in re.finditer(r”w+ly”, S)

Find all adverbs and their positions in a given sentence.
Sample text :
“Clearly, he has no excuse for such behavior.”
import re

S = "Clearly, he has no excuse for such behavior."

for m in re.finditer(r"\w+ly", S):
    print('%d-%d: %s' % (m.start(), m.end(), m.group(0)))

Output:

0-7: Clearly