Each chapter of "Software Design by Example (Python edition)" ends with a concept map - I'd be very grateful for feedback on these. What have I left out? What is confusing or just plain wrong? https://third-bit.com/sdxpy/ (please email me gvwilson@third-bit.com or file issues at https://github.com/gvwilson/sdxpy/issues rather than replying here - thank you) #sdxpy
