Interview Prep · generic · intermediate
Grokking Coding Interview Patterns (Python)
Master the Sliding Window pattern — one of the most important techniques for coding interviews. Learn fixed-size and dynamic windows in Python with worked examples and complexity analysis. Additional patterns coming soon.
- 30 hours
- 45 lessons
- 15 modules
- updated May 2026
Try it before you sign up
Read a full lesson from Module 1. No account needed.
Fixed-Size Sliding Window: Theory and Implementation
15 modules, 45 lessons
Module 1 is free — lessons, hands-on walkthrough and quiz.
- readFixed-Size Sliding Window: Theory and Implementation45 min
- videoVideo: Sliding Window in 7 Minutes10 min
- readDynamic Sliding Window: Handling Flexible Constraints60 min
Built by the CloudaQube team
No celebrity instructor — here is exactly what goes into the course instead.
- 01 Last updated May 2026.
- 02 Any module can become a hands-on lab in Labs Studio.
What you'll be able to do
- 01 Identify the right pattern for any coding problem
- 02 Master the Sliding Window pattern in both fixed-size and variable-size forms
- 03 Solve complex problems with optimized time/space complexity
- 04 Confidently explain your thought process in interviews
- — Basic Python proficiency
- — Understanding of Big O notation
Before you start
How long does it take?
About 30 hours of lessons, videos and hands-on walkthroughs across 15 modules.
What’s free?
Module 1 in full — lessons, hands-on walkthrough and quiz — with no card required. Any paid plan (from $8.99/mo) unlocks all 15 modules, and starts with a 14-day free trial.
Start the course with Module 1 free.
No card required. Unlock every module from $8.99/mo when you’re ready.