if someone can please explain this to me

Code computes the sequence of powers of twos, mathematically: Ak} = 2": 12,4,8, 16, 32,Where k is the position of the element starting at k=0. For instance A[0]=1, A[1]=2, A[2] =4... User inputs N, the number of elements to be computed. The sequence is stored in array A and printed in the format: print("The sequence array is: "A)