dis CLI exists de facto and is useful for disassembly of source code files or code from stdin, but it is not documented and mentioned as a "test program" in source code.

There was a previous discussion #88571 and PR #26714, but the last one is closed for unknown reason. I'll submit a new PR.

Linked PRs

• gh-108826: Document dis module CLI and rename _test function to main #108827
• [3.12] gh-108826: Document dis module CLI and rename _test function to main (#108827) #110681
• [3.11] gh-108826: Document dis module CLI and rename _test function to main (#108827) #110689