try:
    foo()
except Exception as e:
    print(e)
    raise e

try:
    ...
except SomeException:
    tb = sys.exc_info()[2]
    raise OtherException(...).with_traceback(tb)

except ValueError as e:
    tb = sys.exc_info()[2]
    raise e.with_traceback(tb)

except You as Cant:
    just = "do this"
    raise Your Hands in the Air

try (As hardAsYou = new As("like")) {
  hardAsYou.cant(beatJava);
  throw new YourHandsUpInTheAirException();
} catch (Fever ofTheRhythm) {
  ofTheRhythm.printStackTrace();
}

if questions:
    avg_answers = sum(q["answer_count"] for q in questions) / len(questions)
else:
    avg_answers = 0.0

Limit all lines to a maximum of 79 characters.

For flowing long blocks of text with fewer structural restrictions (docstrings or comments), the line length should be limited to 72 characters.