The code examples provided in README.md for Using MultiPing are not compatible with Python 3, as they use Python 2 style print statements.
The receive() function returns a tuple containing a results dictionary (addresses and response times) as well as a list of addresses that did not respond in time. The results may be processed like this:
...
for addr, rtt in responses.items():
print "%s responded in %f seconds" % (addr, rtt)
The code examples provided in README.md for Using MultiPing are not compatible with Python 3, as they use Python 2 style print statements.