Shuffle randomly values in array - python

Question

I have the following array

a = [1, 2, 5, 4, 3, 6, 1]

And I want to know how I can shuffle any two values randomly within an array that isn't either the first or last value. Some examples of the desired results below:

Output = 

[1, 4, 5, 2, 3, 6, 1]

[1, 2, 3, 4, 5, 6, 1]

[1, 6, 5, 4, 3, 2, 1]

[1, 3, 5, 4, 2, 6, 1]

Is there a way to do this in python?

i.n.n.m · Accepted Answer · 2017-12-07 17:50:42Z

2

Try this,

import random
from random import shuffle

a = [1, 2, 5, 4, 3, 6, 1]
hold = a[1:-1]
random.shuffle(hold)
shuffled_list = [a[0]] + hold + [a[-1]]
shuffled_list
>> 
Out[87]:
[1, 5, 4, 3, 6, 2, 1]

answered Dec 7, 2017 at 17:50

i.n.n.m

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