Monitor format

grpc/greeter_monitor.py

@@ -37,8 +37,8 @@ def monitor():
         rest_s.append(time.time() - start)
         
     return ", ".join([
-        f"gRPC: { statistics.mean(grpc_s) * 1000 }ms",
-        f"REST: { statistics.mean(rest_s) * 1000 }ms",
+        f"gRPC: {statistics.mean(grpc_s) * 1000:.2f}ms",
+        f"REST: {statistics.mean(rest_s) * 1000:.2f}ms",
         f"n = { n }"
     ])