Its syntax is also similar to a dictionary: movie_titles = { "2001: a space odyssey", "Blade Runner", "Blade Runner 2049" } However, sets are not for storing information associated with a given key.

For dictionaries, this includes basic syntax, ordering, adding key-value pairs, updating, lists, and iteration For sets, this includes basic syntax, adding and removing, and testing for membership ...

the items are separated by commas, and the whole thing is enclosed in curly braces. An empty dictionary without any items is written with just two curly braces, like this: {}. Keys are unique within a ...

While Python has lacked a native syntax for pattern matching, it has been possible to emulate it with if/elif/else chains or a dictionary lookup.

The dictionary functions in a similar fashion to the Python list, in that it is a collection of data. In this case, however, dictionaries hold key-value pairs instead of single values.