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Why Your Python Functions Are Secretly Changing Data You Never Passed to Them
This story was originally published on HackerNoon at: https://hackernoon.com/why-your-python-functions-are-secretly-changing-data-you-never-passed-to-them.
Python's mutable default bug silently grows your lists across calls. Learn why it happens, how to fix it, and when it's actually intentional.
Check more stories related to programming at: https://hackernoon.com/c/programming.
You can also check exclusive content about #python, #python-programming, #python-tutorials, #python-debugging, #mutable-objects, #python-functions, #bugs, #hackernoon-top-story, and more.
This story was written by: @sohelalam79. Learn more about this writer by checking @sohelalam79's about page,
and for more stories, please visit hackernoon.com.
You defined a function with a list as a default argument. Now, it's accumulating data across calls you never connected.
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By HackerNoonThis story was originally published on HackerNoon at: https://hackernoon.com/why-your-python-functions-are-secretly-changing-data-you-never-passed-to-them.
Python's mutable default bug silently grows your lists across calls. Learn why it happens, how to fix it, and when it's actually intentional.
Check more stories related to programming at: https://hackernoon.com/c/programming.
You can also check exclusive content about #python, #python-programming, #python-tutorials, #python-debugging, #mutable-objects, #python-functions, #bugs, #hackernoon-top-story, and more.
This story was written by: @sohelalam79. Learn more about this writer by checking @sohelalam79's about page,
and for more stories, please visit hackernoon.com.
You defined a function with a list as a default argument. Now, it's accumulating data across calls you never connected.