Finally, Python has another data structure, the set ... Also, sets don’t preserve insertion order, as the code they use isn’t the same as the code used to create dictionaries.

Building fast and highly performant data science applications ... basics of programming in Python. By completing this specialization, you will be able to: Organize, store, and process data efficiently ...

Data structures—like lists ... Python compiler that converts Python to native machine code on the fly. PyPy can provide orders-of-magnitude speedups for many common operations.