Logging and Configuration
Use standard logging module instead of raw prints for production applications.
Learning objectives
- Configure logging levels (DEBUG, INFO, WARNING, ERROR, CRITICAL)
- Format logs with timestamps and loggers
Lesson material
The Logging Module
Logging provides flexible output channels for production debugging.
Example code
import logging
logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
logging.info("Application starting...")
logging.warning("Low disk space warning")Practice exercise: Logging Configuration
Import logging. Log an error message `"Database Connection Failed"` using `logging.error()`.
Test yourself with the Module 22: Professional Python Development quiz →