diff --git a/Pararelismo01.py b/Pararelismo01.py
index e69de29..b7d229b 100644
--- a/Pararelismo01.py
+++ b/Pararelismo01.py
@@ -0,0 +1,13 @@
+import threading
+
+def escribeY():
+  for i in range(1000):
+    print ("y", end="",flush=True)
+  return
+
+print ("INICIO")
+t = threading.Thread(target=escribeY)
+t.start()
+
+for i in range(1000):
+  print ("X", end="",flush=True)