On May 9, 2:13 pm, HMS Surprise <[EMAIL PROTECTED]> wrote:
> If one has a list of lists such as
>
> lst = [['a','1'],['b','2']]
>
> is there a standard python idiom for writing and reading the pairs to/
> from a file?
>
> Thanks,
>
> jh
These work. Assuming you can choose the format. Or you could pickle
the list.
write
~~~~
lst = [['a','1'],['b','2']]
file = open("file", 'w')
[file.write(item[0] + "\t" + item[1] + "\n") for item in lst]
file.close()
read
~~~~
lst = []
file = open("file", 'r')
[lst.append(list(line.split())) for line in file]
file.close()
print lst
~Sean
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