How to Leak State With copy Versus deepcopy

copy.copy keeps nested references. Change one dict and every copy changes. Production data corruption in one line.

#python #copy #deepcopy #mutation #howto #bug #dataleak

https://www.youtube.com/watch?v=kkeFzVh3jS4

An exercise to help build the right mental model for Python data. The “Solution” link uses memory_graph to visualize execution and reveals what’s actually happening:
- Solution: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise10.py&breakpoints=13&continues=1&play
- Explanation: https://github.com/bterwijn/memory_graph?tab=readme-ov-file#python-data-model

If you think this could help Python students and educators, please boost.

#Python #programming #memory_graph #DeepCopy #ShallowCopy

SOLUTION: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise13.py&play
explanation: https://github.com/bterwijn/memory_graph?tab=readme-ov-file#python-data-model

#Python #memory_graph #ShallowCopy #DeepCopy

SOLUTION: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise12.py&play
explanation: https://github.com/bterwijn/memory_graph?tab=readme-ov-file#python-data-model

#Python #memory_graph #ShallowCopy #DeepCopy

SOLUTION: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise11.py&play
explanation: https://github.com/bterwijn/memory_graph

#Python #memory_graph #ShallowCopy #DeepCopy

SOLUTION: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise10.py&play
explanation: https://github.com/bterwijn/memory_graph

#Python #memory_graph #ShallowCopy #DeepCopy

SOLUTION: https://memory-graph.com/#codeurl=https://raw.githubusercontent.com/bterwijn/memory_graph_videos/refs/heads/main/exercises/exercise8.py&play
explanation: https://github.com/bterwijn/memory_graph

#Python #memory_graph #ShallowCopy #DeepCopy