[3.14] gh-134235: Import Autocomplete for Builtin Modules (GH-134277) (#134285)

gh-134235: Import Autocomplete for Builtin Modules (GH-134277)

* added enhancement auto completing import with sys builtins

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(cherry picked from commit 8421b03b16a4852a527256cb7cdce2ab2d318548)

Co-authored-by: Tom Wang <85062819+tommix626@users.noreply.github.com>
Co-authored-by: Hunter <hyoung3@gmail.com>