diff --git a/fix_exercise_number.py b/fix_exercise_number.py
index f6d2163..6fdfb00 100644
--- a/fix_exercise_number.py
+++ b/fix_exercise_number.py
@@ -1,17 +1,23 @@
-import fileinput
-counter = 1
-
-input_file = input('Please enter the name of the file you want to edit: ')
-
-# fileinput module let us do changes in the same file
-with fileinput.FileInput(files=input_file, inplace=True) as f:
-	for line in f:
-		if line.startswith('# ex.'):
-			replace_line = line
-			new_line = ('# ex.{}'.format(counter))
-			print(line.replace(replace_line, new_line))
-			counter += 1
-		else:
-			print(line.strip())  # .strip() remove the extra blank lines
-
-print('Editing {} successfully'.format(input_file))
+'''
+ex.1:
+Create two variables a and b, and initially set them each to a different number. Write a program that swaps both values.
+'''
+
+import numpy as np
+
+a = input('Please enter number a: ')
+
+b = input('Please enter number b: ')
+
+a, b = int(a), int(b)
+
+an_array = np.array([a, b])
+
+a, b = int(an_array[1]), int(an_array[0])
+
+
+print(f'''
+a: {a}
+
+b: {b}
+''')
\ No newline at end of file