R Example

# no pec


          # Calculate 3 + 4
          3 + 4
      
          # Calculate 6 + 12


          # Calculate 3 + 4
          3 + 4
      
          # Calculate 6 + 12
          6 + 12


          test_output_contains("18", incorrect_msg = "Make sure to add `6 + 12` on a new line. Do not start the line with a `#`, otherwise your R code is not executed!")
          success_msg("Awesome! See how the console shows the result of the R code you submitted? Now that you're familiar with the interface, let's get down to R business!")

# no pec


          # Type R code here