diff --git a/hola_mundo.js b/hola_mundo.js
new file mode 100644
index 000000000..24db42bb7
--- /dev/null
+++ b/hola_mundo.js
@@ -0,0 +1 @@
+hola mundo
diff --git a/mejora-actual.py b/mejora-actual.py
new file mode 100644
index 000000000..749644d72
--- /dev/null
+++ b/mejora-actual.py
@@ -0,0 +1 @@
+esta es una mejora
diff --git a/mejora-actual2.py b/mejora-actual2.py
new file mode 100644
index 000000000..5bc67e5a4
--- /dev/null
+++ b/mejora-actual2.py
@@ -0,0 +1 @@
+segunda mejora
diff --git a/python b/python
new file mode 160000
index 000000000..68223f21d
--- /dev/null
+++ b/python
@@ -0,0 +1 @@
+Subproject commit 68223f21de07b2bae6b71f7da1fe360f53b34d19