diff --git a/4.py b/4.py
new file mode 100644
index 0000000..a82f093
--- /dev/null
+++ b/4.py
@@ -0,0 +1,4 @@
+import random
+list=["石头","剪刀","布"]
+compute=random.choice(list)
+print(computer)
\ No newline at end of file