and also slicing off sections of an array. Similar to selecting an element from a python list, we use the bracket notation to select an element from an array at a given index.

you’re best off using NumPy’s “broadcasting” functions—ways to execute operations across a whole array, or a slice, without looping in Python. Again, this is so all the performance ...

Python’s slice syntax lets you specify which part ... One important thing to know about lists in Python is that they aren’t “arrays.” Other languages, like C, have one-dimensional or ...