Python: replacing an element in an array without changing array shape -


i need replace of letters in array below letter 'k'. every time use numpy.replace , numpy.delete changes shape of array. there way can change selected letter in array without changing array shape?

aa = [['a', 'b', 'c']] aa = np.array(aa) aa = np.repeat(aa, 5, axis=0)   aa = np.delete(aa, (1)) aa = np.insert(aa, (1), 'k')

i want able replace of letters in let array 'k'.

is there easy way this?

i'm not clear on trying accomplish , how imagine things turn out.

you start out 5 x 3 array , delete 1 element have 14 elements. shape did imagine in?

maybe want direct assignment 

aa[1,2]='k'

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