[issue5680] Simulate command-line arguments for program run in IDLE

[Cheryl Sabella]

Change by Cheryl Sabella <cheryl.sabella at gmail.com>:


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pull_requests: +13648
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/13763

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue5680>
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