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Python tutorials and tips on the Academify blog. Learn programming with examples, exercises, and projects from basic to advanced

Libraries and Modules

Python copy: Shallow and Deep Copies

Learn Python copy to create shallow and deep copies, replace fields, and avoid sharing nested mutable objects by mistake.

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Reading time: 6 minutes

Advanced Python

Python weakref: Weak References

Learn Python weakref to build weak references, automatic caches, observer registries, and finalizers without retaining objects in memory.

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Reading time: 8 minutes

Libraries and Modules

Python bisect: Keep Lists Sorted

Learn Python bisect to keep lists sorted, locate ranges, find neighbors, and insert values efficiently with binary search.

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Reading time: 7 minutes

Advanced Python

Python zipfile: Safe ZIP Archives

Learn how to create, read, validate, and extract ZIP archives with Python zipfile in a predictable and secure workflow.

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Reading time: 4 minutes

Advanced Python

Python graphlib: Topological Sorting

Learn Python graphlib to order dependencies, detect cycles, and coordinate independent tasks safely in parallel.

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Reading time: 5 minutes

Libraries and Modules

Python heapq: Build Priority Queues

Learn Python heapq to build priority queues, find the smallest values, and process tasks efficiently with binary heaps.

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Reading time: 6 minutes

Advanced Python

Python contextvars for Safe Context

Learn how Python contextvars isolates request data across asyncio tasks, logs, threads, and tests without unsafe global variables.

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Reading time: 7 minutes

Advanced Python

Python cached_property: Cache Object Values

Learn Python cached_property to store expensive calculations, invalidate values, and prevent stale object caches.

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Reading time: 6 minutes