Keys in dictionaries A Python dictionary key can be nearly any Python object. I say “nearly” because the object in question must be hashable, meaning that it must have a hash value (the output ...

In order to store key-value pairs in Python, you can use the dictionary data structure. The dictionary functions in a similar fashion to the Python list, in that it is a collection of data.

Note that the inline table format may look superficially similar to a Python dictionary declaration, but it isn’t; it uses = instead of : to depict key/value pairs.