CODEWITHSUNDEEP
listpython-3.x
kooshka
kooshka

Reputation: 871

convert string to nested list with Python

Short question, how do I make this conversion using Python?

a["1-3-6-3-6"] ---> a[1][3][6][3][6]

I have a nested list and I want to be able to get the item, directly from a string argument passed to the method.

Upvotes: 1

Views: 557

Answers (2)

Johannes P
Johannes P

Reputation: 906

This might be what you want

>>> i="1-3-6-3-6"
>>> b=i.split("-")
>>> b
['1', '3', '6', '3', '6']

Then you can use the indices inside b to descend into your nested list by recursion.

Upvotes: 0

poke
poke

Reputation: 387557

>>> path = '1-3-6-3-6'
>>> element = a
>>> for segment in path.split('-'):
        element = element[int(segment)]

After that, element equals to whatever was at a[1][3][6][3][6].

Upvotes: 3

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