Python CodeRecipe|next()の使い方

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next()の例1

Create an iterator, and print the items one by one:

    mylist = iter(["apple", "banana", "cherry"])x = 
    next(mylist)print(x)x = next(mylist)print(x)x = next(mylist)
    print(x)

next()の定義及び使い方

next()関数は イテレータの次の項目。 デフォルトの戻り値を追加して、反復可能パラメータがに達した場合に返すことができます。 終了します。

next()の構文

    next(iterable, default)

next()の引数

反復可能な 必須。反復可能なオブジェクト。

デフォルト オプション。反復可能ながに達した場合に返すデフォルト値end．

next()の例2

Return a default value when the iterable has reached to its end:

    mylist = iter(["apple", "banana", "cherry"])x = 
    next(mylist, "orange")print(x)x = next(mylist, "orange")print(x)x = 
    next(mylist, "orange")print(x)x = next(mylist, "orange")print(x)

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