<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def stop_if_mostly_diverging(errdata):
 """This is an example stop condition that asks Relay to quit if the error difference between consecutive samples is increasing more than half of the time. It's quite sensitive and designed for the demo, so you probably shouldn't use this is a production setting """

    n_increases = sum([
        abs(y) - abs(x) > 0 for x, y in zip(errdata, errdata[1:])])
    if len(errdata) * 0.5 < n_increases:
        # most of the time, the next sample is worse than the previous sample
        # relay is not healthy
        return 0
    else:
        # most of the time, the next sample is better than the previous sample
        # realy is in a healthy state
        return -1