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Build a simple user authentication system using React Context API.

Implement a function that transforms a function of multiple arguments into a sequence of functions each taking a single argument (currying).

Create a Mortgage Calculator in React

Given an array, your task is to return a new array with all duplicate elements removed.

Password Strength Checker

You have to build a simple Dark Mode Toggle component in React.

You are tasked with creating a simple recipe filter and cart system.

Write a function `countVowels` that takes a string as input and returns the number of vowels in that string.

Write a function `reverseWords` that returns a new string where each word is reversed.