Name: Cleaning & Validation - 문자열 정리하기
Uploaded: 2025-11-28T00:00:00Z
Description: Although it would be nice, data in the real-world is rarely stored in an ideal way. Simply put: data can get messy. In chapter 3, you will learn how to deal with this messy data by fixing data type issues, cleaning messy strings, handling nulls, and removing duplication.