Python
14 articles in this topic
Python Introduction and Setup Tutorial: Install, Verify, and Run Your First Programs
Set up Python with confidence by checking the command, isolating a project in .venv, and running a saved program whose output you can verify step by step.
Python Functions and Modules: Complete Guide with Worked Examples
Build a reliable mental model for Python functions, scope, imports, and packages, then trace a two-module score report from call to printed result.
Python Tuples Tutorial: Packing, Unpacking, Methods and Examples
Learn how Python tuples work through runnable examples, a fixed-record route program, precise error fixes and four predict-before-running exercises.
Python Lists Tutorial: Create, Update, Slice and Use Lists with Examples
Learn Python lists through one clear path, from creation and indexing to mutation, comprehensions, copying, and exam-style output questions.
Python Dictionaries Tutorial: Syntax, Methods and Worked Examples
Learn how Python dictionaries store, retrieve and transform key-value data through runnable examples, common traps and one complete marks-processing task.
Python Tutorial: The Complete Learning Path, Ordered for Self-Study
Follow Python in a practical order, from your first program to functions, collections, files, OOP, libraries, and the point where DSA should begin.
Python String Methods and Formatting: Immutability, Slicing and the Interview Question Patterns
Predict string output by tracking returned values, half-open slices and formatting specifications, then avoid the replace, find, identity and concatenation traps.
Python Decorators and Generators: yield, Closures and the Trace-the-Output Interview Questions
See decorators and generators as functions that retain state. Trace a wrapped call, expand @repeat(3), and follow countdown(3) through StopIteration.
OOP in Python: Classes, Inheritance, the MRO Diamond and Dunder Methods for Interviews
Work through Python's MRO diamond and the __eq__ plus __hash__ rule. These two examples explain many of the OOP output questions asked in interviews.
String Problems in Python for Coding Rounds: Palindromes, Anagrams and Compression Solved
Python turns common string problems into one-liners, but interviewers usually remove that shortcut next. Learn the Pythonic and manual solutions for three recurring patterns.
Python Functions Deep Dive: *args, **kwargs, the Mutable Default Trap and LEGB Scope
Trace the shared-list default, unpack extra arguments, and follow Python's LEGB lookup so familiar function snippets stop producing surprising output.
Python vs C for TCS NQT: Which Language to Pick for the Coding Section
Choose Python or C for TCS NQT by comparing input speed, code length, execution and your existing practice, then lock the choice with a focused three-week routine.