Update examples

readline/mtg.py

@@ -1,15 +1,25 @@
+#!/usr/bin/env python3
+"""
+This module defines a command-line interface (CLI) application which allows
+users to interact with a predefined list of completion options, specifically,
+card names from the "Alara Reborn" set.
+
+It leverages the `cmd` module to build the CLI and has tab-completion 
+functionality for adding items from the predefined list of card names.
+"""
 import cmd
 
 completions = [
-    'Mage Slayer (Alara Reborn)',
-    'Magefire Wings (Alara Reborn)',
-    'Sages of the Anima (Alara Reborn)',
-    'Sanctum Plowbeast (Alara Reborn)',
-    'Sangrite Backlash (Alara Reborn)',
-    'Sanity Gnawers (Alara Reborn)',
-    'Sen Triplets (Alara Reborn)'
+    "Mage Slayer (Alara Reborn)",
+    "Magefire Wings (Alara Reborn)",
+    "Sages of the Anima (Alara Reborn)",
+    "Sanctum Plowbeast (Alara Reborn)",
+    "Sangrite Backlash (Alara Reborn)",
+    "Sanity Gnawers (Alara Reborn)",
+    "Sen Triplets (Alara Reborn)",
 ]
 
+
 class mycmd(cmd.Cmd):
     def __init__(self):
         cmd.Cmd.__init__(self)
@@ -21,9 +31,10 @@ class mycmd(cmd.Cmd):
         pass
 
     def complete_add(self, text, line, begidx, endidx):
-        mline = line.partition(' ')[2]
+        mline = line.partition(" ")[2]
         offs = len(mline) - len(text)
         return [s[offs:] for s in completions if s.startswith(mline)]
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     mycmd().cmdloop()