Using persistent storage
This section describes how to instantiate and use a disk dictionary to store values on a hard disk. A general outline of actions required to use a disk dictionary includes:
- Creating a new dictionary on disk
- Adding a key-value pair to the dictionary
- Counting the number of key-value pairs in the dictionary
- Iterating through a disk dictionary
- Verifying that a key is a member of the dictionary
- Retrieving a value from the dictionary, using a key
- Removing a value from the dictionary
- Deleting the dictionary file from the disk
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