Python Casting Nested String of Lists to List

Question

Does anyone know a simple way to convert the given list into the desired format?

Given:

['[[2.1, 3.7], [5.5, -1.3]]']

Desired Format:

[[2.1, 3.7], [5.5, -1.3]]

Thanks in advance

Answer 1

Try this:

import ast
lst = ['[[2.1, 3.7], [5.5, -1.3]]']
ast.literal_eval(lst[0])
=> [[2.1, 3.7], [5.5, -1.3]]