diff --git a/Start/Ch_1/minmax.py b/Start/Ch_1/minmax.py
index f07afcc..41cef24 100644
--- a/Start/Ch_1/minmax.py
+++ b/Start/Ch_1/minmax.py
@@ -9,14 +9,29 @@
 
 
 # TODO: The min() function finds the minimum value
-
+#print(f"The minimum value is: {min(values)}")
+#print(f"The minimum value is: {min(strings)}")
 
 # TODO: The max() function finds the maximum value
-
+#print(f"The maximum value is: {max(values)}")
+#print(f"The maximum value is: {max(strings)}")
 
 # TODO: define a custom "key" function to extract a data field
-
+#print(f"The minimum value is: {min(values, key=len)}")
+#print(f"The minimum value is: {max(strings, key=len)}")
 
 # TODO: open the data file and load the JSON
-# with open("../../30DayQuakes.json", "r") as datafile:
-#     data = json.load(datafile)
+with open("/workspaces/advanced-python-working-with-data-4312001/30DayQuakes.json", "r") as datafile:
+   data = json.load(datafile)
+
+print(data["metadata"]["title"])
+print(len(data["features"]))
+
+def getmag(dataitem):
+    magnitude = dataitem["properties"]["mag"]
+    if (magnitude is None):
+        magnitude = 0
+    return float(magnitude)
+
+print(min(data["features"], key=getmag))
+print(max(data["features"], key=getmag))
\ No newline at end of file