関連ワード:  python split a list into sublists    python split a list in sublists    python split a list into n sublists    python split list into sublists of size n    python split list into sublists based on condition    python split list into sublists based on value    python split list into sublists based on index    python split list into sublists by value    python split list into sublists of fixed size    python split list into sublists based on delimiter