File I/O
Explore how to handle file input and output using pandas, including reading and writing CSV, Excel, and JSON files. Understand key pandas functions to process, merge, and save data effectively for analysis and visualization.
We'll cover the following...
Chapter Goals:
- Learn how to handle file input/output using pandas
- Write code for processing data files
A. Reading data
One of the most important features in pandas is the ability to read from data files. pandas accepts a variety of file formats, ranging from CSV and Excel spreadsheets to SQL and even HTML. A full list of the available file formats for pandas can be found here.
In this chapter we'll focus on three of the most common file types: CSV, XLSX (Microsoft Excel), and JSON. For reading data from a file, we use either the read_csv, read_excel, or read_json function, depending on the file type.
Each of the file reading functions takes in a file path as the only required argument. Each function has ...