Practice Problems | Caribbean Code

Problems

Practice coding problems

Build problem-solving habits with topic filters, difficulty levels, visible examples, and an online code workspace.

Follow a guided ladder

Choose a Python Foundations, coding practice, or PCEP review path and work through problems in order.

Difficulty

All Beginner Intermediate Hard

Topic

All topics Arrays Conditionals Dictionaries Dynamic Programming Functions Graphs Greedy Hashmap Input/Output Lists Loops Prefix Sums Simulation Sorting Strings Variables

Showing 1 of 30 problems

BeginnerDictionaries

Word Frequency

Count how many times a target word appears in a sentence.