我並沒有刪除code, 僅僅只有增加一些spacing 讓整個結構看起來比較舒服一點.
你在這個list 裡面需要按兩次tab 才會形成一個code block: to display your code;

English:
I didn't delete anything, but just add extra spacing to form a code block within the list.
You have to add two sets of tabs/spaces when formatting code within a list.