+PY3 = (sys.version_info[0] >= 3)
+if PY3:
+ def output(s):
+ sys.stdout.buffer.write(s.encode(default_encoding, 'replace') + b'\n')
+else:
+ def output(s):
+ sys.stdout.write(s + '\n')
+
+ try:
+ import xml.etree.ElementTree as ET
+ except ImportError:
+ pass
+ else:
+ use_elementtree = True
+