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Workshop 1 — Homework

Welcome to your first homework! It has three parts:

  1. Part 1 — Research: Git & GitHub
  2. Part 2 — Put your homework on GitHub
  3. Part 3 — Python exercises

Deadline: before Workshop 2.

How to submit: push everything to a GitHub repository (see Part 2) and send the repository link to your instructor.

Part 1 — Research: Git & GitHub

Create a file called answers.md and answer the following questions in your own words (1–3 sentences each is enough). Use the links at the bottom if you get stuck.

What is Git?

  1. What is Git and what problem does it solve?
  2. What is a version control system (VCS)?
  3. What is a repository (repo)?
  4. What is a commit? Why do we write a commit message?
  5. What is the difference between git add and git commit?
  6. What does git push do? What does git pull do?
  7. What is a branch and why is it useful?

What is GitHub?

  1. What is GitHub and how is it different from Git?
  2. Name two alternatives to GitHub (e.g. other websites that host Git repos).
  3. What is the difference between a public and a private repository?
  4. What is a README.md file and what is it used for?
  5. What is a .gitignore file and why would you not want to commit every file?

Tip: answer honestly from what you understand. It is fine to be wrong — we will review the answers together in the next workshop.

Part 2 — Put your homework on GitHub

Follow these steps. If a command fails, read the error message carefully — it usually tells you what is wrong.

1. Install the tools

Check that Git is installed by running this in your terminal:

git --version

You should see something like git version 2.43.0.

2. Tell Git who you are (only needed once per computer)

git config --global user.name "Your Name"
git config --global user.email "you@example.com"

3. Create a repository on GitHub

  1. Click the + in the top-right corner of GitHub → New repository.
  2. Name it python-homework (or anything you like).
  3. Keep it Public, check Add a README file, then click Create repository.

4. Get the repository onto your computer

Copy the repo URL (green Code button) and run:

git clone https://github.com/your-username/python-homework.git
cd python-homework

5. Add your homework files

Put your answers.md (Part 1) and your Python files (Part 3) inside this folder.

6. Commit and push

git add .
git commit -m "Add workshop 1 homework"
git push

Refresh your repository page on GitHub — your files should be there. 🎉

If you get stuck, take a screenshot of the error and bring it to the next workshop.

Part 3 — Python exercises

Create the files below and write Python code to solve each task. Use only what we covered in Workshop 1: variables, data types, type casting, and arithmetic / comparison operators.

Run each file with:

python exercise_1.py

exercise_1.py — About me

Create variables for your name (str), age (int), and height in meters (float). Print a sentence using an f-string, for example:

My name is Nino, I am 21 years old and 1.65 meters tall.

exercise_2.py — Fix the bug

The code below crashes. Explain in a comment why it crashes, then fix it using type casting so it prints 30.

a = 10
b = "20"
print(a + b)

exercise_3.py — Rectangle

Create two variables width and height (numbers of your choice). Calculate and print the area (width * height) and the perimeter (2 * (width + height)).

exercise_4.py — Odd or even

Create a variable number. Use the modulus operator (%) and a comparison operator to print whether the number is even. The result should be a boolean, e.g.:

number = 7
print("Is even:", number % 2 == 0)   # Is even: False

exercise_5.py — Seconds in a day (bonus)

There are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day. Using variables and multiplication, calculate and print how many seconds are in a day. Then print how many seconds are in a week.

Checklist before you submit

  • answers.md with the Git / GitHub questions answered
  • exercise_1.py … exercise_5.py written and runnable
  • Everything pushed to your GitHub repository
  • Repository link sent to the instructor

Helpful links