diff --git a/cambio.py b/cambio.py
new file mode 100644
index 0000000000000000000000000000000000000000..637350b3bf137682fa9ad1ee7d0b0f24a3818641
--- /dev/null
+++ b/cambio.py
@@ -0,0 +1,17 @@
+import csv
+
+def replace_commas(input_file, output_file):
+    with open(input_file, 'r', newline='') as infile, open(output_file, 'w', newline='') as outfile:
+        reader = csv.reader(infile)
+        writer = csv.writer(outfile, delimiter=';')
+
+        for row in reader:
+            new_row = [column.replace('.', ',') for column in row]
+            writer.writerow(new_row)
+
+
+# Nombre del archivo CSV de entrada y salida
+input_filename = 'confianza.csv'
+output_filename = 'confianza_final.csv'
+
+replace_commas(input_filename, output_filename)
\ No newline at end of file