We can cast an ordinary python list as a NumPy one-dimensional array. import numpy as np my_list = [1, 2, 3] np. array (my_list) # cast a list into a 1D array. ... Building Random Arrays. NumPy has a ...

As noted above, NumPy arrays behave a lot like other Python objects, for the sake of convenience. For instance, they can be indexed like lists; arr[0] accesses the first element of a NumPy array.

NumPy is a library for the Python programming language, adding support for large, multi-dimensional arrays and matrices, along with a large collection of high-level mathematical functions to operate ...