def solve(self):
"""
Preconisations
optimizes the number of exchanges
Returns a list of transfers that should be performed
"""
return peinard.heuristic(self.totals())
def perform(data, expected):
"""
expected result may be unordered
"""
result = heuristic(data)
assert len(expected) == len(result), debug("unmatched lengths", result)
for transfer in expected:
assert transfer in result, debug("not sure if fully reliable " "because of Decimal comparison.", result)
