Practice Arena

Python Coding
Challenges

Write real Python in the browser. Instant feedback. From beginner to expert.

791 challenges 498 easy 262 medium 31 hard

All Easy Medium Hard

All Python Basics Strings & Text Lists & Arrays Dicts & Sets Functions & Closures OOP & Classes Data Structures & Algorithms Advanced Python Iterators & Generators Decorators & Context Managers Error Handling & Exceptions Regular Expressions Math & Number Theory Bit Manipulation Dynamic Programming Trees & Binary Trees Graphs & Graph Algorithms Recursion & Backtracking Greedy Algorithms Binary Search Two Pointers & Sliding Window Stacks & Queues Heaps & Priority Queues Linked Lists Matrix & 2D Arrays Datetime & Time Calculations Data Formats & Parsing SQL & SQLite Numpy & Vectorized Computing Cryptography & Hashing

Binary Search easy

Search Insert Position

Return the index where a target should be inserted into a sorted list to maintain order.

binary-search arrays searching

Binary Search easy

Upper Bound Binary Search

Write a function that returns the index of the first element greater than a target in a sorted list.

binary-search arrays searching

Binary Search easy

Find Indices of Target in Sorted List

Given a sorted list and a target, return the indices of its first and last occurrence, or [-1, -1] if absent.

binary-search sorted range

Showing 3 challenges · easy · Binary Search

Binary Search — Python coding challenges

What you will find here

This page lists binary search challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.

Challenges vs tutorials and quizzes

Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.