diff --git a/Day 10 homework - Sloetjes .md b/Day 10 homework - Sloetjes .md
index 911fb1d..d927a64 100644
--- a/Day 10 homework - Sloetjes .md	
+++ b/Day 10 homework - Sloetjes .md	
@@ -81,6 +81,13 @@ By using a set called `module_files` to keep track of the filenames of the modul
 
 **4. Inspect the `loader` attribute of each entry in the `sys.modules` dict.  Can you find an attribute of `loader` which reliably tells you if the loader is source, builtin, or extension?**
 
+##### Answer:
+Yes, the attribute name of the loader object can be used to determine if the loader is source, builtin, or extension.
+
+* If the name attribute is 'built-in', it means that the module is a built-in module.
+* If the name attribute is 'extension', it means that the module is a compiled extension module.
+* Otherwise, the module is a source module.
+
 **5. Add `import pandas` to the top of the module-inspector script and re-run it.  Notice that many of the pandas modules are not loaded using the `SourceFileLoader`.  Can you explain why these modules are different?**
 
 **Extra credit: use the freeze utility to turn the module-inspector script into a real app.**
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