このレッスンは、現在英語のみです。
Transform lists in one line
Real code rarely writes a loop just to change, pick or total items. Array methods do it in one readable line, and most of them never touch the original array.
このレッスンは、現在英語のみです。
Real code rarely writes a loop just to change, pick or total items. Array methods do it in one readable line, and most of them never touch the original array.