関連ワード:  python how to cycle through a list    python how to iterate through a list    python how to loop 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 in reverse    python how to iterate through a list of tuples    python how to loop through a list of dictionaries    python how to loop through a list backwards