ile-11 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> students |&gt; 
  clean_names() |&gt; 
  mutate(
    meal_plan = factor(meal_plan),
    age = if_else(age == "five", "5", age),
    age =parse_number(age)
  ) </td>
  </tr>
  <tr>
   <td style="text-align:left;"> reading-data-from-a-file-12 </td>
   <td style="text-align:left;"> exercise </td>
   <td style="text-align:left;"> read_csv(file = "data/test_1.csv") </td>
  </tr>
  <tr>
   <td style="text