diff --git a/3.py b/3.py
new file mode 100644
index 0000000..129c32b
--- /dev/null
+++ b/3.py
@@ -0,0 +1,8 @@
+def count_danmaku(danmaku_list):
+    ai_keywords = ['AI', 'ai', 'AI分析', 'AI识别', 'AI优化','人工智能']
+    count_dict = {keyword: 0 for keyword in ai_keywords}
+    for danmaku in danmaku_list:
+        for keyword in ai_keywords:
+            if keyword in danmaku:
+                count_dict[keyword] += 1
+    return count_dict