Learning PathBeginner

Python Fundamentals

Master Python from fundamentals to advanced backend architecture. Explore data structures, memory management, and scalable system design with FastAPI.

#python #interview

21 Lessons

546 min total

Beginner

Roadmap curriculum

Step 1

Python Basics: print(), Data Types, Variables, Input, and Type Conversion

Learn the first Python concepts every beginner needs: printing output, understanding data types, creating variables, reading user input, converting values, and avoiding common beginner mistakes.

14 minApr 23, 2026

Step 2

Python Operators, If-Else, and Loops: A Practical Beginner Guide

Learn Python operators, conditional logic, modules, while loops, for loops, nested loops, break, continue, and pass using practical examples from learning platforms and analytics workflows.

30 minApr 24, 2026

Step 3

Python Strings: Methods, Formatting & f-Strings Guide

Learn Python strings, indexing, slicing, immutability, string operators, common methods, formatting, validation, and practical text-cleaning programs.

20 minApr 24, 2026

Step 4

Time Complexity in Python: Measure & Optimize Your Code

Learn how to reason about Python code performance using Big O, constant time, linear time, nested loops, logarithmic time, n log n, exponential time, and simple timing tools.

18 minApr 25, 2026

Step 5

Python Interview Guide: 25 Must-Know Questions & Answers

Master Python technical interviews with 25 essential questions covering memory management, mutable vs immutable objects, shallow vs deep copy, the GIL and multithreading, decorators with arguments, closures, generators, iterators, context managers, asyncio concurrency, and advanced OOP topics including MRO, descriptors, and metaclasses.

30 minMay 22, 2026

Step 6

Python Lists: Creating, Manipulating & Common Operations

Learn Python lists with practical examples covering creation, indexing, slicing, nested lists, adding, editing, deleting, list methods, comprehensions, zip, copying, and matrix-style tasks.

22 minApr 30, 2026

Step 7

Python Tuples, Sets & Dictionaries: A Complete Guide

Learn Python tuples, sets, and dictionaries with practical examples covering immutability, uniqueness, key-value data, set operations, comprehensions, nested dictionaries, and practice tasks.

24 minMay 1, 2026

Step 8

Functions in Python: A Practical Guide With Examples

Learn Python functions with practical examples covering parameters, arguments, return values, docstrings, scope, nested functions, first-class functions, lambda, map, filter, reduce, and practice tasks.

26 minMay 1, 2026

Step 9

Recursion in Python: From Basics to Advanced Problem Solving

Learn Python recursion with practical examples covering base cases, recursive cases, call stack, repeated addition, factorial, palindrome checks, Fibonacci, memoization, recursion limits, and practice tasks.

20 minMay 1, 2026

Step 10

Python Functions Interview Questions: Decorators & Closures

Prepare for Python memory-model interview questions with clear explanations of object identity, aliasing, garbage collection, mutability, shallow copy, deep copy, nested lists, strings, tuples, sets, and dictionaries.

22 minMay 4, 2026

Step 11

Advanced Python Functions: Interview Questions & Deep Dives

Practice beginner-friendly Python array and list interview questions with clear approaches, code solutions, time complexity notes, and extra same-level problems.

26 minMay 4, 2026

Step 12

Python Classes & Objects: OOP Fundamentals With Examples

Learn object-oriented programming in Python with practical examples covering classes, objects, attributes, methods, __init__, self, private attributes, dunder methods, and operator overloading.

24 minMay 4, 2026

Step 13

Python Encapsulation & Static Keyword: OOP Design Guide

Learn Python OOP encapsulation with practical examples covering object references, mutability, private attributes, getters, setters, class variables, static methods, class methods, and composition.

25 minMay 5, 2026

Step 14

Python Inheritance & Polymorphism: OOP Patterns & Examples

Learn Python inheritance and polymorphism with practical examples covering has-a relationships, is-a relationships, method overriding, super, inheritance types, MRO, duck typing, and operator polymorphism.

26 minMay 6, 2026

Step 15

Python Abstraction: Master Abstract Classes & Interfaces

Learn Python abstraction with practical examples covering abstract base classes, abstract methods, concrete subclasses, shared helper methods, interface-style design, and practice tasks.

22 minMay 6, 2026

Step 16

Python File Handling: Read, Write, Serialize & Deserialize

Learn how Python reads and writes text files, handles binary files, works with JSON, serializes custom objects, and uses pickle safely with practical examples.

26 minMay 7, 2026

Step 17

Python Iterators & Generators: Practical Guide With Examples

Learn how Python iteration works, what iterables and iterators are, how iter() and next() behave, how for loops work internally, and how to build custom iterator classes.

22 minMay 7, 2026

Step 18

Understanding Python Generators: Memory Efficiency and Implementation

Learn Python generators with practical examples covering yield, lazy evaluation, generator expressions, memory efficiency, infinite streams, and generator pipelines.

22 minMay 15, 2026

Step 19

Understanding Syntax Errors and Exception Handling in Python

Learn Python exception handling with practical examples covering syntax errors, runtime exceptions, try/except/else/finally, raising errors, custom exceptions, and safe validation.

24 minMay 16, 2026

Step 20

Understanding Python Namespaces and Variable Scope

Learn Python namespaces, LEGB scope, closures, first-class functions, decorators, functools.wraps, decorators with arguments, and practical decorator patterns.

28 minMay 17, 2026

Step 21

Mastering Python Interview Questions: A Comprehensive Guide

A complete original Python interview guide covering basics, data structures, functions, recursion, OOP, files, exceptions, iterators, generators, decorators, modules, output tracing, and coding practice.

75 minMay 22, 2026