 <td style="text-align:left;"> read_csv(file = "data/test_1.csv", show_col_types=FALSE) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-14 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_2.csv", skip=2) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-15 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_3.csv"