diff --git a/test.py b/test.py
new file mode 100644
index 0000000..c9977e0
--- /dev/null
+++ b/test.py
@@ -0,0 +1,18 @@
+import time
+from datetime import datetime
+
+# t1 = datetime.now()
+# time.sleep(1.345345)
+# t2 = datetime.now()
+# dtmicro=t2-t1
+# dtms = dtmicro.seconds * 1000 + dtmicro.microseconds//1000
+
+tprev = datetime.now()
+
+# while True:
+tnow = datetime.now()
+dtmicro = tnow - tprev
+# dtms = dtmicro.seconds * 1000 + dtmicro.microseconds // 1000
+dtms = dtmicro.microseconds
+print(tnow, tprev, dtms)
+tprev = tnow