def the_confidence_weighted_prediction(step, predictions):
predictions = eval(predictions)
for i in range(len(world.votes)):
combined_prediction = combine_predictions(world.votes[i], "confidence weighted")
assert combined_prediction == predictions[i]
def the_plurality_combined_prediction(step, predictions):
predictions = eval(predictions)
for i in range(len(world.votes)):
combined_prediction = combine_predictions(world.votes[i])
assert combined_prediction == predictions[i]