Python Fullstack with Data Science | Day 20 | 6th March 2025 | FirstBit Solutions

Introduction to Data Structures in Python | Lists Explained with Examples

In this session, we begin our journey into data structures, starting with the most commonly used one—lists. The instructor first clears doubts on recursion, then dives into the fundamentals of lists, their memory storage, and how to work with them effectively.

Topics Covered:

Introduction to Data Structures: Lists, Tuples, Dictionaries, Sets
Why Data Structures Are Important (Student Marks Example)
What is a List?
Linear data structure
Stores heterogeneous data (integers, strings, floats, etc.)
Maintains order with index starting from 0
How Lists Work in Memory
Stack vs Heap
Address referencing explained
Basic List Operations
print() to display all elements
for loop to access elements
Searching using loop and in operator
Finding Minimum and Maximum Without Built-in Functions
Manual comparison using loop logic
List Functions
Creating lists using [] or list()
Adding elements: append(), insert()
Taking user input using while loop + append()
Additional Operations
Calculating sum of list elements
Finding prime numbers in a list

💡 Perfect for Python beginners looking to understand how to structure and manipulate data effectively.

👉 Practice the operations taught and stay tuned for the next session covering Tuples and Dictionaries!

(Python Lists, Data Structures in Python, Python Programming, List Operations, Memory Management in Python, Python Basics, Prime Numbers in Python, Python Loops, Python For Beginners)

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