Capitalize Words

Background

Capitalizing words is common in title formatting, name normalization, and user-facing text display.

Problem

Write a function that takes a string of words separated by spaces and returns a new string where each word starts with an uppercase letter.

Input

A string of words separated by single spaces.

Output

A string with each word capitalized (first letter uppercase, rest lowercase).

Sample tests

Input: "hello world"

Expected: "Hello World"

Your solution

Learning objective

Practice string splitting, mapping, and case transformation methods.