Remove brakets from numpy array : I have an array which looks like this 
`['w_49c9417' 'w_b6ae946' 'w_1596a47' 'w_b68d04']`. 
This a numpy array, is there any way i can remove those brackets, I tried `'.'join(thearray)` but i get, 

    Type Error: sequence item 0: expected instance, Numpy.ndarray found

Any suggestions would be helpful!
Thanks in advance.

