WINDOWS 👇👇👇👇

Step 1

1. Go to the official website at Python Software Foundation

https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.python.org/downloads/release/python-3119/&ved=2ahUKEwiln7je2q6RAxWihP0HHX_MHQEQFnoECB0QAQ&usg=AOvVaw3wuTDRpUtxhIl_4eJGGQe-

👆👆👆 Python 3.11.9 is downloaded because it’s a very stable and fast version that works well with most libraries.
It’s also widely supported, making it a safe choice for beginners and developers.

Step 2

Run the downloaded .exe file. Important: check the box “Add Python to PATH” and also “Install launcher”. Then click Install Now.

Step 3

After installation completes, open Command Prompt (cmd) and type:

python --version

or

python3 --version

to verify installation. It should display a version like Python 3.11.9

LINUX 👇👇

STEP 1 ✅


First check if Python 3 is already installed. Open a terminal and run:

python3 --version

If it shows something like Python 3.x.x, you’re good to go.


STEP 2 ✅


If not installed (or you want a newer version), use your distribution’s package manager. For Debian/Ubuntu-based systems, you’d run something like:

sudo apt update
sudo apt install python3 python3-pip

This installs Python 3 (and pip, the package manager).


STEP 3 ✅



After installation, verify with:

python3 --version

Then open CMD or Terminal
and type "Python" then press enter

Then type

 print("Heloooo")

Then it out put

"Heloooo"

Finally you are done for day one 👏👏

Day 2 ✅

On yesterday's session we talked about on how to setup python and run it on local machine and at the end we executed a simple python code called print.

the code

print("Heloooo")

is used to show the text in the quotation mark to be shown on the terminal. the whole text shown above is called STATEMENT.

Today We are going to see about VARIABLES in python

print("What are Variables in Python?")

VARIABLES in python are Containers that store information. think of them like labeled boxes:

name = "Abebe"
age = 21

Here

name

and

age

are labels

"Abebe"

and

21

are the stored values

There are certain rules in naming a variable or variables
✔️ Must start with a letter
✔️ Cannot start with a number
✔️ No spaces (use _ instead)
✔️ Case-sensitive (Age ≠ age)
✔️ Avoid reserved words (like for, if, class)

Example

first_name = "Kebede"
userAge = 20

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✅ Day 3

Python Data Types

These determine what kind of data a variable holds.

🔹 String (str) – text

name = "John"

🔹 Integer (int) – whole numbers

age = 25

🔹 Float (float) – decimal numbers

height = 5.9

🔹 Boolean (bool) – True/False

is_student = True

Checking Data Types

Use

type()

to see the type of a variable:

x = 10
print(type(x))   # <class 'int'>

Changing Data Types (Type Casting)

age = "20"
age = int(age)    # convert string to int

Mini-Exercise for you guys

✏️ Task:

Create variables to store:

your name
your age
your height
whether you are a student

Then print them out.
Example:

name = "Marta"
age = 18
height = 1.65
is_student = True

print(name)
print(age)
print(height)
print(is_student)

Challenge
Create a Python script that introduces yourself using variables.

Did You guys pass the Challenge of Day 3?

if you guys are struggling on how to solve it refer to DAY 3 for additional information 👆