finallyfun.py

"""
Python 2:
$ python-2.7 finallyfun.py
e: Exception()

Python 3:
$ python3.3 finallyfun.py
Traceback (most recent call last):
  File "finallyfun.py", line 9, in <module>
    foo()
  File "finallyfun.py", line 7, in foo
    print("e: %r" %(e, ))
UnboundLocalError: local variable 'e' referenced before assignment
"""

def foo():
    e = None
    try:
        raise Exception()
    except Exception as e:
        pass
    finally:
        print("e: %r" %(e, ))

foo()