Creating arrays in Python can be efficiently done using NumPy ... compatibility with operations or models requiring specific input shapes. For example, converting a 1D array into a 2D matrix ...

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 ...

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.