A Python dictionary is a fast, versatile way to store and retrieve data by way of a name or even a more complex object type, rather than just an index number.

Data structures—like lists, dictionaries (i.e., hashmaps or key-value stores), tuples (for storing immutable collections of objects), and sets (for storing collections of unique objects)—are ...

Pandas can hold a variety of object types as data in a series. Using an Index The key to using a series is understanding its index. Pandas makes use of these index names or numbers by allowing for ...