Python Basics

🐍 Welcome to Python Basics! This is where your coding journey begins. Whether you’re brand new to programming or just need a refresher, this section will get you comfortable writing Python code and thinking like a Data Scientist. Let’s dive in and have some fun with Data Types, Variables, and Data Structures!

Summary Table

Summary of the Python Basics section.

Concept	Example	Description
int	10	Integer
float	3.14	Floating point number
bool	True, False	Boolean value
str	"hello"	String
None	None	Null or no value
Assignment	x = 10	Assigns value to a variable
Naming	user_name = "Bob"	Follows naming rules
Reassignment	x = x + 1	Updates variable value
Multiple Assignment	a, b = 1, 2	Assign multiple variables at once
Dynamic Assignment	x = 5 → x = "hello"	Variable type can change during execution
list	[1, 2, 3]	Mutable sequence
tuple	(1, 2)	Immutable sequence
set	{1, 2, 3}	Unordered unique elements
dict	{'key': 'value'}	Key-value mapping