How to get array from string

Question

I have a string of some data. string[0] prints [31, 37, 3] : [0.12704417954091404] . I want to get the first array which is [31, 37, 3]

Do you want to get it as a string or as an array of integers? — barak manos
– barak manos, Commented May 10, 2014 at 6:36
Could you run the command type(string[0]) and tell us the result? — compie
– compie, Commented May 10, 2014 at 6:39
@compie It's <class 'inspyred.ec.ec.Individual'> type. I don't know what it is. — DummyGuy
– DummyGuy, Commented May 10, 2014 at 6:49

Martijn Pieters · Accepted Answer · 2014-05-10 06:55:34Z

1

You are using a 3rd-party Python library, inspyred is an AI package for Python.

You appear to have a sequence of Individual instances; you'd look up the documentation and see what attributes such instances have. You are looking at the string representation of these instances, but you should be able to access various aspects directly.

The documentation states there are candidate, fitness, birthdate and maximize attributes; try these to see which one represents the list you seek.

A quick peek at the source code suggests you want the candidate attribute:

print string[0].candidate

When dealing with new objects in Python, you can always introspect them by using tools such as the type(), dir() and vars() functions, which tell you about the type of object you have, the methods the class defines, and the attributes the instance has.

answered May 10, 2014 at 6:55

Martijn Pieters

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