diff --git a/Retos/Reto #16 - LA ESCALERA [Media]/python/davidtg7.py b/Retos/Reto #16 - LA ESCALERA [Media]/python/davidtg7.py
new file mode 100644
index 0000000000..eef5ccc2b5
--- /dev/null
+++ b/Retos/Reto #16 - LA ESCALERA [Media]/python/davidtg7.py	
@@ -0,0 +1,34 @@
+def grada(num):
+  if num > 0:
+    return "_|"
+  return "|_"
+
+def espacio():
+    return "  "
+
+def gradas(num):
+
+  if num == 0:
+    print("__")
+
+  if num > 0:
+    aux = abs(num)
+    for i in range(num + 1):
+      if num == aux:
+        print(espacio() * aux + "_")
+        aux -= 1
+        continue
+      line = espacio() * (aux) + grada(num)
+      print(line)
+      aux -= 1
+  
+  if num < 0:
+    aux = 0
+    for i in range(abs(num) + 1):
+      if num == aux:
+        print("_")
+        aux -= 1
+        continue
+      line = espacio() * (aux) + grada(num) 
+      print(line)
+      aux += 1