when should I explicitly close a file?

Lawrence D'Oliveiro ldo at geek-central.gen.new_zealand
Sat Apr 17 13:23:15 CEST 2010

In message 
<d48b70da-5384-4dc6-9527-46c6b735ccc0 at r1g2000yqb.googlegroups.com>, gelonida 

> I've been told, that following code snippet is not good.
> open("myfile","w").write(astring) ...

I do that for reads, but never for writes.

For writes, you want to give a chance for write errors to raise an exception 
and alert the user, instead of failing silently, to avoid inadvertent data 
loss. Hence the explicit close.

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