How do I install python and verify setup?

# Install Python (Latest: 3.14.3) ## Windows (Recommended Method) 1. Visit [python.org/downloads](https://www.python.org/downloads/). 2. Download the Python Install Manager (MSIX) or use Microsoft Store: Search for Python Install Manager (ID: 9NQ7512CXL7T) and install. 73 75 3. During install, opt to add to PATH if prompted (e.g., `%LocalAppData%\Python\bin`). 4. Verify: Open Command Prompt/PowerShell, run `py --version` or `python --version` (should show 3.14.3). ## macOS Download and run `python-3.14.3-macos11.pkg` from [python.org](https://www.python.org/ftp/python/3.14.3/python-3.14.3-macos11.pkg). 73 ## Linux Use package manager: e.g., `sudo apt update && sudo apt install python3 python3-pip` (Ubuntu) or compile from source. Launch IDLE (search 'IDLE') and run `print('Hello, Python!')`.

How do I explore the interpreter and basic syntax?

# Interactive Python Shell 1. Run `python` or `py` in terminal to enter REPL. 2. Try basics from [Official Tutorial Ch. 3](https://docs.python.org/3/tutorial/introduction.html): 74 ```python >>> 1 + 2 # Numbers 3 >>> 'Hello' + ' World' # Strings 'Hello World' >>> friends = ['Alice', 'Bob'] # Lists >>> friends[0] 'Alice' ``` 3. Exit with `quit()` or Ctrl+Z/D. Read [Using the Interpreter](https://docs.python.org/3/tutorial/interpreter.html). 74

How do I master control flow tools?

# If Statements, Loops, Functions (Ch. 4) 74 Create `control.py`: ```python name = input('Name? ') if name == 'Guido': print('Hi, Guido!') else: print('Hello,', name) for i in range(5): print(i) def greet(name): return f'Hello, {name}!' print(greet('World')) ``` Run `python control.py`. Experiment with `break`, `continue`, `match`.

How do I work with data structures and modules?

# Lists, Dicts, Modules (Ch. 5-6) 74 ```python fruits = ['apple', 'banana'] fruits.append('cherry') print(fruits[1]) # banana spam = {'color': 'red', 'name': 'apple'} print(spam['color']) import math print(math.sqrt(16)) ``` Explore `random` module: `import random; print(random.choice(['heads','tails']))`.

How do I build and test a simple project?

# Number Guessing Game Create `guessing_game.py`: ```python import random number = random.randint(1, 20) guess = 0 while guess != number: guess = int(input('Guess (1-20): ')) if guess number: print('Too high!') print('Correct!') ``` Run, test, add features like guess limit. Share on GitHub.

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Step-by-Step Guide

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Install Python (Latest: 3.14.3)

Windows (Recommended Method)

Visit python.org/downloads.
Download the Python Install Manager (MSIX) or use Microsoft Store: Search for Python Install Manager (ID: 9NQ7512CXL7T) and install.3. During install, opt to add to PATH if prompted (e.g., %LocalAppData%\Python\bin).
Verify: Open Command Prompt/PowerShell, run py --version or python --version (should show 3.14.3).

macOS

Download and run python-3.14.3-macos11.pkg from python.org.

Linux

Use package manager: e.g., sudo apt update && sudo apt install python3 python3-pip (Ubuntu) or compile from source.

Launch IDLE (search 'IDLE') and run print('Hello, Python!').

Why this step matters:

-Creates a solid foundation for executing code reliably
-Prepares you for real-world development workflows

30-60 minutes

Web browser, Command Prompt/Terminal, Python installer, IDLE

$0

Definition of Done

•`python --version` displays 3.14.x
•IDLE launches and executes print('Hello')

Common Mistakes to Avoid

❌ Not adding Python to PATH, causing 'command not found'

→Reinstall with PATH option checked or manually add `%LocalAppData%\Python\bin` to PATH

❌ Using Microsoft Store without enabling aliases

→Go to 'Manage app execution aliases' and enable Python entries

❌ Installing outdated version

→Always download from python.org/downloads for latest stable

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