import numpy as np def transform(X, a=1): Y = np.zeros_like(X) for i in range(X.shape[0]): row = X[i] new_row = np.zeros_like(row) for j in range(row.shape[0]): if j % 2 == 0: new_row[j] = row[j] ** 3 else: new_row[j] = a Y[i] = new_row[::-1] return np.hstack((X, Y))

def transform(X, a=1):
    Y = np.zeros_like(X)
    for i in range(X.shape[0]):
        row = X[i]
        new_row = np.zeros_like(row)
        for j in range(row.shape[0]):
            if j % 2 == 0:
                new_row[j] = row[j] ** 3
            else:
                new_row[j] = a
        Y[i] = new_row[::-1]
    return np.hstack((X, Y))