Add script to create videos for speaking questions.

heygen/filter_json.py

@@ -0,0 +1,18 @@
+import json
+
+# Read JSON from a file
+input_filename = "english_voices.json"
+output_filename = "free_english_voices.json"
+
+with open(input_filename, "r") as json_file:
+    data = json.load(json_file)
+
+# Filter entries based on "language": "English"
+filtered_list = [entry for entry in data["data"]["list"] if not entry["is_paid"]]
+data["data"]["list"] = filtered_list
+
+# Write filtered JSON to a new file
+with open(output_filename, "w") as json_file:
+    json.dump(data, json_file, indent=2)
+
+print(f"Filtered JSON written to '{output_filename}'.")