Introduction

Terminal commands #

• List files in current directory

> ls

• List files in current directory (include hidden)

> ls -a

• Change into a subdirectory

> cd <directory_name>

• Move back to parent directory

> cd ..

• Show current directory's path

> pwd

Getting started #

• Install python: https://www.python.org/
• Try the REPL (read-eval-print loop) to run some statements interactively

> python3
Python 3.10.6...
>>> 2 + 2
4

• Install VS Code. Any plain-text editor will do, but some extra functionalities like syntax highlighting, etc.

Basics data types #

Variables #

Values can be assigned to variables.

color = "Red"

# Change color
color = "Blue"

Basic functions #

• print: show output in the terminal

color = "Blue"

print(color)

• input: takes input from the terminal and assigns it to a variable

color = input("What's your favourite color: ")