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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 time_column_index(time, time_column):
 """Return the index of lowest time in the column of times that is greater than or equal to the given time. :param time: the time to index from the column of time; a day fraction :type time: float :param time_column: a list of times (in day fractions), must be increasing and equally spaced :type time_column: float list :return: approximate index of the time from the column of times :rtype: int """

    interval = time_column[1]-time_column[0]
    return int(round((time - time_column[0])/interval + .5))