, col_names = FALSE) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-16 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_3.csv", col_names = c("a", "b", "c")) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-17 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_3.csv", col_names = c("a", "b", "c"), col_types = c