This specifies a file to import data from. | Out[2]= |  |
This opens the file. | Out[3]= |  |
This returns the sheets in the file. | Out[4]= |  |
This reads in all the data from one of the sheets. This previews the first five rows of data from the sheet. | Out[6]= |  |
This defines the data in the last column. This plots the data. 
This closes the workbook once we are finished importing data from it. |
