Exception message printing demo

demo.py

###########
# Python 2:
###########
try:
    raise Exception
except Exception as e:
    s,r = getattr(e, 'message') or str(e), getattr(e, 'message') or repr(e)
    print 's:', s, 'len(s):', len(s)
    print 'r:', r, 'len(r):', len(r)
    
    
###########
# Python 3:
###########    
try:
    raise Exception
except Exception as e:
    s,r = getattr(e, 'message', str(e)), getattr(e, 'message', repr(e))
    print ('s:', s, 'len(s):', len(s))
    print ('r:', r, 'len(r):', len(r))