René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Setting locals() value leads to panicked.","articleBody":"In the following example, we set the locals()[42] as a string \"abc\" in a class A. Then it causes rustpython panicked. \r\n\r\n\r\n\r\ntest.py:\r\n```\r\n\r\nclass A(object):\r\n    locals()[42] = 'abc'\r\n\r\n```\r\n\r\nBehavior on rustpython(rustpython 0.1.2):\r\n```\r\nthread 'main' panicked at 'dict has non-string keys: [PyObject PyInt { value: 42 }]', vm/src/builtins/dict.rs:537:48\r\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\r\n```\r\n\r\n\r\nExpected behavior(behavior on CPython 3.9.1):\r\nwork well on the Python interpreter\r\n\r\n\r\nStep to reproduce:\r\ntype \"cargo run --release test.py\" on the console of Ubuntu 18.04 and MacOS Big Sur 11.7.1\r\nrust version: rustc 1.65.0","author":{"url":"https://github.com/xiaxinmeng","@type":"Person","name":"xiaxinmeng"},"datePublished":"2022-12-08T06:47:45.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/4314/RustPython/issues/4314"}