couple bug fixes on randomization & comma at end of lines

randumbizer.py

@@ -19,12 +19,17 @@ def read_random_lines(artist_file="artist.txt", sheet_file="Sheet1.txt"):
         num_artist_lines = random.randint(1, 4)
         selected_artist_lines = random.sample(artist_lines, num_artist_lines)
 
-        result = (
-            ", ".join(splits[:insertion_index]) + ", "
-            + ", ".join(line.strip() for line in selected_artist_lines) + ", "
-            + ", ".join(splits[insertion_index:])
-        )
-        
+        pre_artists = ", ".join(splits[:insertion_index])
+        artist_section = ", ".join(line.strip() for line in selected_artist_lines)
+        post_artists = ", ".join(splits[insertion_index:])
+
+        if post_artists:
+            result = f"{pre_artists}, {artist_section}, {post_artists}".strip()
+        else:
+            result = f"{pre_artists}, {artist_section}".strip()
+
+        result = result.rstrip(", ")
+
         print(result)
         pyperclip.copy(result)
         print("\nContent copied to clipboard.")