I typoed : instead of = to assign a value to a variable in python. Why didn't this cause a SyntaxError?

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Why didn't this cause a syntax error?

This is because the type notation is only expected to be an expression, and that's very broad:

assignement:
    | NAME ':' expression ['=' annotated_zhs]
    . . .

This has no bearing on the execution of the code. If the "type" is nonsensical, and the execution/errors produced will be dependent on the linter being used.

```