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Grade 9-12

Exploring Dictionaries in Python

by Ivan I. | Fun

7 Lessons 54:52
  1. 1. Introduction to Dictionaries 14:05
  2. 2. Retrieving Keys and Pairs 6:04
  3. 3. Built in Dictionary Methods 6:59
  4. 4. Updating a Dictionary with Counters 9:04
  5. 5. Nested Dictionaries 7:14
  6. 6. Assignment 2:03
  7. 7. Assignment Answers 9:23

Grade 9-12


NGSS Standards

About the course

Data often includes relationships between values and data. Just like we have headers in tables, we need to know what the string, integer, float values represent. In Python we cans use dictionaries to associate key values to pair values. Dictionaries are useful since they are flexible, quick, and easy to use. In this class, students will learn about what dictionaries are, how they are used and why they are used.


  • Code
  • Computer
  • Dictionaries
  • Functions
  • Python
  • Science
  • STEM


I have tutored hundreds of students in various subjects, formats, and locations. I have taught students both online and in-person subjects ranging from chess, SAT, ACT, computer science, SHSAT, and personal finance. I have hosted large classes as well as one-on-one sessions. In high school, I have taught SHSAT at a tutoring school, chess at a non-profit organization and for an after school program. As a college student, I host online chess workshops as well as private lessons. I cater my lessons to the needs of the class and individual and strive to make the topic engaging, interactive, and fun!

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