2022-03-20
with open(filename, 'rb') as f:
for line in f:
<do something with the line>
對可迭代對象 f,進行迭代遍歷:for line in f,會自動地使用緩沖IO(buffered IO)以及內存管理,而不必擔心任何大文件的問題。
2022-03-20
with open(filename, 'rb') as f:
for line in f:
<do something with the line>
對可迭代對象 f,進行迭代遍歷:for line in f,會自動地使用緩沖IO(buffered IO)以及內存管理,而不必擔心任何大文件的問題。