LESSON 1.1

Lists, dicts, and the types you will use

08:06·31,450 learners
Tomas BergTomas Berg
Next lesson

In this lesson you will

  • Choose between list, dict, set, and tuple
  • Index, slice, and iterate without off-by-one errors
  • Understand mutability and why it bites

Lists, dictionaries, sets, and tuples cover almost everything before a dataframe shows up. Picking the right one is a performance decision as much as a style one.

What this lesson covers

  • Choose between list, dict, set, and tuple
  • Index, slice, and iterate without off-by-one errors
  • Understand mutability and why it bites

This lesson sits in Python Foundations for Data, part of Python for Data Work. It assumes what came before it and leads directly into the next lesson in the module.

UP NEXT

1.2 · Comprehensions and iteration

10:20

Python for Data Work

0%

Every lesson, searchable to the second.

© 2026 BIBLION

PRIVACY · TERMS · CONTACT