Change order of indices for dictionary of dictionaries in Python

Question

EDIT: As suggested in the comments, I re-asked this question in Code Review, see here.

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I am working with complex data sets in Python and I store the data in dictionaries. Since there are many variables I have many "indented dictionaries" with up to 4 indices of the form

data[key1][key2][key3][key4] = a_float_number

and these key_i can be anything from strings to floats. How can I easily rearrange this dictionary such that two of the keys are swapped? For example I want to change it to:

data_rearranged[key3][key2][key1][key4] == a_float_number

Currently I am doing this with for loops but it's a pain. Probably there is a better way of doing this, or my suspect is that there is a better data container that does not have this problem.

Answer 1

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