Exercice 2$ ls -lF plots/fixed_binary_heap_extract_*.pdf-rw-rw-rw- 1 root root 0 Nov 27 18:09 plots/fixed_binary_heap_extract_.pdf$ echo "Exercice 3"Exercice 3$ ls -lF plots/dynamic_binary_heap_*.pdfls: plots/dynamic_binary_heap_*.pdf: No such file or directoryCleaning up file based variablesERROR: Job failed: exit code 1