diff --git a/4.py b/4.py
new file mode 100644
index 0000000..ed50b16
--- /dev/null
+++ b/4.py
@@ -0,0 +1,8 @@
+import pandas as pd
+
+
+def write_to_excel(count_dict):
+    data = {'关键词': list(count_dict.keys()), '数量': list(count_dict.values())}
+    df = pd.DataFrame(data)
+    df = df.sort_values(by='数量', ascending=False)
+    df.to_excel('danmaku_count.xlsx', index=False)