```

      |  day

exp |  1    2    3    4

----+---------------------

  1 | 7.3  5.6  6.5  6.3

  2 | 3.3  4.1  2.7  1.8

  3 | 7.0  5.1  5.5  5.3

```

* Complete the program with an array of 5 columns and 3 rows.

* Initialize it with the data in columns 1 to 4.

* In column 5, calculate the mean (average) temperature of every experiment.

* Print the averages of each experiment to the screen.

* Print the higher temperature to the screen.