Numpy, Python Programming, Data Analysis, Numerical Analysis, Data Science.
all rows, columns 2 and beyond in a 2D array arr[1:3, :] # returns rows 1 and 2, all columns in a 2D array arr[:, ::2] # returns all rows, every other column in a 2D array Array Manipulation arr.resize((4, 4)) # changes the shape and size of the array arr.sort() # sorts the elements in the array