{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Programming Tech Brief By HackerNoon","title":"Why Your Python Functions Are Secretly Changing Data You Never Passed to Them","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/8200f3d9\"></iframe>","width":"100%","height":180,"duration":498,"description":"\n        This story was originally published on HackerNoon at: https://hackernoon.com/why-your-python-functions-are-secretly-changing-data-you-never-passed-to-them.\n             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. \n            Check more stories related to programming at: https://hackernoon.com/c/programming.\n            You can also check exclusive content about #python, #python-programming, #python-tutorials, #python-debugging, #mutable-objects, #python-functions, #bugs, #hackernoon-top-story,  and more.\n            \n            \n            This story was written by: @sohelalam79. Learn more about this writer by checking @sohelalam79's about page,\n            and for more stories, please visit hackernoon.com.\n            \n                \n                \n                You defined a function with a list as a default argument. Now, it's accumulating data across calls you never connected. \n\n        \n        ","thumbnail_url":"https://img.transistorcdn.com/KhCapPSRkLGL2Xw8888yuChkNRWthaKapLYTvNdu4W4/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQxMTY2LzE2ODM1/ODIzMzAtYXJ0d29y/ay5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}