And how do you use arrays in Python? An array is a way to store multiple values in a single variable. That means that you can use a single “reference” in order to access your data. A list is ...

we could in theory do this: x = np.array([_ for _ in range(1000)]) This works, but its performance is hidebound by the time it takes for Python to create a list, and for NumPy to convert that list ...