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Fundamentals

Before data structures and algorithms, there's the methodology: how to break a problem into steps, represent it visually, and reason about correctness. This section covers flowcharts, pseudocode, and the problem-solving mindset you need before writing a single line of code.

What's in this section

Flowchart and Pseudocode — visual and textual representations of algorithmic logic

Tutorial

Jun 2, 20268 min read

Flowcharts and Pseudocode

The Problem You write a function to check if a string is a palindrome: python def is_palindrome(s): return s == s[::-1] It passes for "racecar" . You run it on…