$ ls -lF plots/fixed_binary_heap_extract_*.pdf-rw-rw-rw- 1 root root 89224 Dec 2 23:08 plots/fixed_binary_heap_extract_memory_java.pdf-rw-rw-rw- 1 root root 29522 Dec 2 23:08 plots/fixed_binary_heap_extract_time_java.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