timing: add time taken notice

main.py

@@ -3,6 +3,8 @@ Run program from here.
 Requires: python > 3.10.x
 """
 
+import time
+
 from parser import parse
 from graph import create_graph
 from dijsktra import Dijkstra
@@ -10,6 +12,7 @@ from args import Settings
 
 
 def main():
+    start = time.time()
     # parse args
     settings = Settings()
     # parse inputfile
@@ -21,6 +24,9 @@ def main():
     dijkstra.algorithm(settings)
     dijkstra.print_result(dataset.connection, dataset)
 
+    delta = time.time() - start
+    print(f"This took {float(round(delta, 3))} seconds.")
+
 
 if __name__ == "__main__":
     main()