How to use python csv module for splitting double pipe delimited data

Question

I have got data which looks like:

\"1234\"||\"abcd\"||\"a1s1\"

I am trying to read and write using Python\'s csv reader and writer. As the

Answer 1

>>> import csv
>>> reader = csv.reader(['"1234"||"abcd"||"a1s1"'], delimiter='|')
>>> for row in reader:
...     assert not ''.join(row[1::2])
...     row = row[0::2]
...     print row
...
['1234', 'abcd', 'a1s1']
>>>