I have a dataframe which contains a datetime column like this:
As you see in the "date_time" column the smallest time unit is minute. In fact, it does not have second uinte. I mean, for example, in the first six rows, 4:24 is repeated which means data gathered every 10 seconds or 4:25 repeated 10 times which means data recorded every 6 seconds.
Indeed, I am looking for a solution to have second in the "date_time" column.
The desirable format is like this: