Python basic syntax--dictionary

Python Dictionary theory

A python dictionary is another mutable container model, and can store any type of object.

Each key value of the dictionary (keys:valeus) is split with a colon (:), Each pair is separated by a comma (,), and the entire dictionary is enclosed in curly braces ({}) , as shown in the following format:

The key must be unique, but the value does not have to Be.

The value can take any data type, but the key must be immutable, such as a string, a number, or a tuple, so the list does not Work.

Modify Dictionary

The way to add new content to a dictionary is to add a new Key/value pair, modify or delete an existing key/value pair as Follows:

Delete Dictionary

Not to be continued .....

Python basic syntax--dictionary