diff --git a/read_log.py b/read_log.py
index 4ea23e7..5ff9a87 100644
--- a/read_log.py
+++ b/read_log.py
@@ -3,6 +3,14 @@
 
 import pandas as pd
 
+
+def __get_404_response_count(df):
+    """
+    Provide the total amount of requests that have a '404' not found status code.
+    """
+    return len(df[df["status_code"] == "404"])
+
+
 methods = ["GET", "HEAD", "POST", "PUT", "DELETE", "OPTIONS", "TRACE", "PATCH"]
 pattern = r'^([\d.]+) - - \[([^]]+)\] "([^"]*)" (\d+) (\d+) "([^"]*)" "([^"]*)" "-"$'