Debugged by Victor.

Bug reported by Guido Vranken.

If the input stream encoding couldn't encode one or more of the
non-ascii characters in the prompt, it would fail, throwing a
UnicodeEncodeError.  Now if that happens we re-encoding using the
'replace' error handler.

Patch by Kushal Das.

Patch by Berker Peksag.

Patch by Berker Peksag.

section of the FAQ.

section of the FAQ.

Issue #21193: Make (e.g.,) pow(2, -3, 5) raise ValueError rather than TypeError.  Patch by Josh Rosenberg.

Patch by Kushal Das.

- Better message for the OverflowError in large positive inputs.
- Changed exception type from OverflowError to ValueError for large negative inputs.