Hello, I'm very new in python. I have a file in the format: 2018-05-31 16:00:00 28.90 81.77 4.3 2018-05-31 20:32:00 28.17 84.89 4.1 2018-06-20 04:09:00 27.36 88.01 4.8 2018-06-20 04:15:00 27.31 87.09 4.7 2018-06-28 04.07:00 27.87 84.91 5.0 2018-06-29 00.42:00 32.20 104.61 4.8