diff --git a/commit-practice b/commit-practice
new file mode 100644
index 0000000..e69de29
diff --git a/commit-practice-without-message b/commit-practice-without-message
new file mode 100644
index 0000000..e69de29
diff --git a/commit-practice2 b/commit-practice2
new file mode 100644
index 0000000..e69de29
diff --git a/pull-request-practice.py b/pull-request-practice.py
new file mode 100644
index 0000000..6038e1a
--- /dev/null
+++ b/pull-request-practice.py
@@ -0,0 +1,6 @@
+def review():
+    print('これはコードレビューのサンプルです')
+
+
+if __name__ == "__main__":
+    review()