関連ワード:  python how to iterate through a list    python how to iterate through a list backwards    python how to iterate through a list with index    python how to iterate through a list of dictionaries    python how to iterate through a list of tuples    python how to iterate through a list in reverse    python how to iterate through a list of strings    python how to iterate through a linked list    python how to iterate through a directory    python how to iterate through two lists at once