Build a DataFrame From Scratch
From dicts, lists, and arrays.
Why Build Your Own
Before loading real files, building a small DataFrame by hand lets you test ideas and learn the structure with zero setup. 🧪
Import pandas First
Every project starts the same way: import pandas under the nickname pd. That short alias is a universal convention you will see everywhere.
import pandas as pdAll lessons in this course
- Rows, Columns, and the Index
- Build a DataFrame From Scratch
- head, info, and describe
- Add, Rename, and Drop Columns