Explore the significant improvements in Python's error messages and user experience introduced in versions 3.10 and 3.11 through this 46-minute conference talk from EuroPython 2022. Discover how the new PEG parser enables custom syntax errors, learn about the challenges faced by the CPython core team in implementing these enhancements, and understand how different user groups benefit from the improved error messages. Gain insights into contributing to Python's error message development, including the workflow and review process. Whether you're a beginner, educator, or experienced programmer, find out how these updates can enhance your Python experience and potentially make you smile.