t;"> reading-data-from-multiple-fil-4 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(list.files("data", pattern = "similar", full.names = TRUE)) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-multiple-fil-5 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(list.files("data", pattern = "similar", full.names = TRUE), na=".") </td>
  </tr>
  <tr>
   <td style="text-align:left;"> rea