diff --git a/CM2005 Object Oriented Programming/Topic 4/4.5.6/test.csv b/CM2005 Object Oriented Programming/Topic 4/4.5.6/test.csv
new file mode 100644
index 0000000..d151e34
--- /dev/null
+++ b/CM2005 Object Oriented Programming/Topic 4/4.5.6/test.csv	
@@ -0,0 +1,2 @@
+2020/03/17 17:01:24.884492,ETH/BTC,bid,13,1.0
+2020/03/17 17:01:24.884492,ETH/BTC,ask,13,1.0
\ No newline at end of file