Ouroboros 3

What this Python module-execution question tests

This hard Python question probes your understanding of how the Python interpreter resolves and executes code when a module is run directly via the -m flag. It goes beyond surface-level syntax and requires you to reason about import mechanics, name resolution, and the interaction between __main__ and package structure.

Candidates need to trace through the module search path, understand how relative and absolute imports behave, and predict the runtime behaviour of code that may contain subtle scoping or initialization issues. The question rewards careful reading of code semantics and familiarity with Python's execution model rather than rote memorization.

• The __main__ module context and when it is assigned
• Import system mechanics and module caching
• Error detection: syntax, import, and runtime failures
• Package structure and the -m flag behaviour