# Intro to Programming and Data Science (Fall 2021)/Day 2 Coding Challenges

From CommunityData

As a reminder, it's not essential that you solve or get through all of these — I'm not grading your answers on these. That said, being able to work through at least many of them is a good sign that you have mastered the concepts for the week. It is always fine to collaborate or work together on these problem sets but I encourage you to make sure that you understand the concepts yourself.

## Required[edit]

- Python for Everybody Exercises:
- Chapter 1:
- Exercises 1, 6, 7

- Chapter 2:
- Exercises 2, 3, 4, 5

- Chapter 3:
- Exercises 1, 2, 3*

- Chapter 4:
- Exercises 1-4*, 5, 6, 7*

- Chapter 1:

- Starred exercises are optional; if you feel like you need more practice in a topic