関連ワード:  python return index of substring in string    python return position of substring in string    python get position of substring in string    python get all index of substring in string    python get all indices of substring in string    python get index of substring in list of strings    python find indices of substring in string    python find first index of substring in string    python find last index of substring in string    python find index of multiple substrings in string  
結果 : python return index of substring in string