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【Udemy Python3入門+応用】 43. for else文

Posted at

※この記事はUdemyの
現役シリコンバレーエンジニアが教えるPython3入門+応用+アメリカのシリコンバレー流コードスタイル
の講座を受講した上での、自分用の授業ノートです。
講師の酒井潤さんから許可をいただいた上で公開しています。

##■for else文
#####◆基本の使い方

for_else
for fruit in ['apple', 'banana', 'orange']:
    print(fruit)
else:
    print('I ate all!')
result
apple
banana
orange
I ate all!

while else文と同様に、forによるループからbreakなしに抜けると、else内のものが実行される。

#####◆breakがある場合

for_else_break
for fruit in ['apple', 'banana', 'orange']:
    if fruit == 'banana':
        print('stop eating')
        break
    print(fruit)
else:
    print('I ate all!')
result
apple
stop eating

breakによりforのループを抜けたので、else内のものは実行されない。

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