diff --git a/917.myco b/917.myco
deleted file mode 100644
index c9077c7..0000000
--- a/917.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 917
-https://github.com/davidfstr/webcrystal
-
-> An archiving HTTP proxy and on-disk archival format for websites.
\ No newline at end of file
diff --git a/981.myco b/981.myco
new file mode 100644
index 0000000..a8c4665
--- /dev/null
+++ b/981.myco
@@ -0,0 +1,4 @@
+= 981
+https://rednafi.com/python/dataclasses_and_methods/
+
+> Data classes are containers for your data—not behavior
\ No newline at end of file
diff --git a/Banish state-mutating methods from data classes.myco b/Banish state-mutating methods from data classes.myco
new file mode 100644
index 0000000..b5e2152
--- /dev/null
+++ b/Banish state-mutating methods from data classes.myco	
@@ -0,0 +1,4 @@
+= Banish state-mutating methods from data classes
+https://rednafi.com/python/dataclasses_and_methods/
+
+> Data classes are containers for your data—not behavior
\ No newline at end of file