# Key Terms — Dictionaries — Key-Value Pairs and Lookup Operations

- Link: https://doss.academy/course-3-introduction-to-programming/unit-6-data-structures-file-processing-file-i-o/lesson-2-dictionaries-key-value-pairs-and-lookup-operations/key-terms/
- Published: 2026-10-18T12:32:38-04:00
- Author: matthew.leffler@jefferson.kyschools.us

Course 3: Introduction to Programming / Unit 6: Data Structures & File Processing(
File I/O) / Lesson 2: Dictionaries — Key-Value Pairs and Lookup Operations

## Vocabulary focus

Dictionary, Key-Value Pair, Key Lookup, Hash Table, Value Access, dict.keys(), dict.
values(), Mapping, Key Unique, Mutable Dictionary

## Build your glossary

For each term or concept, write an explanation in your own words and add an example
from this lesson. Check your explanation against the lesson resources.

  |  Term or concept |  My explanation |  Example |  
   |  ________________ |  ________________ |  ________________ |  
 |  ________________ |  ________________ |  ________________ |