In[[1:ab=nparray([[1,2],[3,4]])=nparray([[5,6]]) Given the arrays above, use at least TWO differnt methods to vertical stack array a and b. hint the functions can be used are: concatenate, vstack, append, insert hint2: do not forget axis = or 1 option In [15]: "provide your answer here Out[15]:array([[1,2],[3,4],[5,6]]) Given the arrays above, use at least TWO different methods to horizontal stack array a and b. hint the functions can be used are: concatenate, hstack, append, insert hint2: do not forget axis =0 or 1 option In [2]: \# provide your answer here aut[2]:array([[1,2,5],[3,4,6]]) In[1t