diff --git a/src/flicker.py b/src/flicker.py
new file mode 100644
index 0000000..d04bc4b
--- /dev/null
+++ b/src/flicker.py
@@ -0,0 +1,28 @@
+import csv
+import datetime
+
+time_tallies = dict()
+tally_totals = dict()
+
+with open("data/light-meter-sample-readings-23-04-2021-ritherdon.csv") as csv_file:
+    csv_reader = csv.reader(csv_file, delimiter=",")
+    for r in csv_reader:
+        if (r[1] != "Time Stamp"):
+            time_str = r[1]
+            if (time_str in time_tallies):
+                time_tallies[time_str] = (time_tallies[time_str]) + 1
+            else:
+                time_tallies[time_str] = 1
+    for r2 in time_tallies.values():
+        if (r2 in tally_totals):
+            tally_totals[r2] = (tally_totals[r2]) + 1
+        else:
+            tally_totals[r2] = 1
+    #print(tally_totals)
+    print(tally_totals.items())
+with open("data/results/23-04-2021-readings-per-sec.csv", mode="w") as result:
+    wtr = csv.writer(result)
+    for k, v in tally_totals.items():
+        print(f"{k}: {v}")
+        wtr.writerow([k,v])
+