cise </td>
   <td style="text-align:left;"> read_rds(file = "data/test_2.rds") </td>
  </tr>
  <tr>
   <td style="text-align:left;"> writing-to-a-file-11 </td>
   <td style="text-align:left;"> question </td>
   <td style="text-align:left;"> Q: What is Apache Arrow and why is it useful?
A: Apache Arrow is a cross-language development platform for in-memory data. It specifies a standardized language-independent columnar memory format for flat and hierarchical data, organized for efficient analytic oper