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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def exam_reliability_by_datetime( datetime_axis, datetime_new_axis, reliable_distance):
 """A datetime-version that takes datetime object list as x_axis reliable_distance equals to the time difference in seconds. """

    numeric_datetime_axis = [
        totimestamp(a_datetime) for a_datetime in datetime_axis
    ]

    numeric_datetime_new_axis = [
        totimestamp(a_datetime) for a_datetime in datetime_new_axis
    ]

    return exam_reliability(numeric_datetime_axis, numeric_datetime_new_axis,
                            reliable_distance, precision=0)