Copy list of array multidimension python 3

Question

In my case I had array list of:

testSet =[[14017.0, 146.58, 5.0, '1'], [3869.0, 91.66, 5.0, '1'], [9365.0, 131.16, 5.0, '1'], [1258.0, 62.8, 5.0, '1'], [2979.0, 95.9, 4.0, '1'], [5556.0, 109.4, 5.0, '1'], [14501.0, 144.0, 5.0, '1'], [3664.0, 106.5, 5.0, '1'], [6149.0, 117.6, 2.0, '2'], [5556.0, 109.4, 5.0, 2']]

I just wanna copy the last element in every array to my new array. How to copy that array so I can get output:

[1,1,1,1,1,1,1,1,2,2]

list, i dont use numpy

Dimas Romanisti
– Dimas Romanisti

2020-06-16 08:21:59 +00:00
Commented Jun 16, 2020 at 8:21 — Dimas Romanisti
– Dimas Romanisti, Commented Jun 16, 2020 at 8:21
yes, iam sorry.

Dimas Romanisti
– Dimas Romanisti

2020-06-16 08:36:57 +00:00
Commented Jun 16, 2020 at 8:36 — Dimas Romanisti
– Dimas Romanisti, Commented Jun 16, 2020 at 8:36

Harshita · Accepted Answer · 2020-06-16 08:16:24Z

1

Just you list comprehension and you are good to go.

new = [array[-1] for array in testSet]

Complexity is just O(n) where n is the length of your testSet.

answered Jun 16, 2020 at 8:16

Harshita

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