python find all elements of substring in string
def find_all(a_str, sub):
start = 0
while True:
start = a_str.find(sub, start)
if start == -1: return
yield start
start += len(sub) # use start += 1 to find overlapping matches
list(find_all('spam spam spam spam', 'spam')) # [0, 5, 10, 15]python get index of substring in liast
index = [idx for idx, s in enumerate(l) if 'tiger' in s][0]python get index of substring in liast
def index_containing_substring(the_list, substring):
for i, s in enumerate(the_list):
if substring in s:
return i
return -1Copyright © 2021 Codeinu
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