First implementation of questions management

src/core/sheerka/services/SheerkaAdmin.py

@@ -49,9 +49,11 @@ class SheerkaAdmin(BaseService):
 
         try:
             start = time.time_ns()
+            nb_lines = 0
             self.sheerka.during_restore = True
             with open(concept_file, "r") as f:
                 for line in f.readlines():
+                    nb_lines += 1
                     line = line.strip()
                     if line == "" or line.startswith("#"):
                         continue
@@ -65,7 +67,7 @@ class SheerkaAdmin(BaseService):
             nano_sec = stop - start
             dt = nano_sec / 1e6
             elapsed = f"{dt} ms" if dt < 1000 else f"{dt / 1000} s"
-            print(f"Execution time: {elapsed}")
+            print(f"Imported {nb_lines} line(s) in {elapsed}.")
         except IOError:
             pass