diff --git a/count_lines.py b/count_lines.py
new file mode 100644
index 0000000..0a2d2fe
--- /dev/null
+++ b/count_lines.py
@@ -0,0 +1,15 @@
+import argparse
+
+def count_lines(input_file):
+    with open(input_file) as file:
+        num_lines = sum(1 for line in file)
+        return num_lines
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Number of lines')
+    parser.add_argument('--input_file', type=str, help='file path')
+
+    args = parser.parse_args()
+
+    num_lines = count_lines(args.input_file)
+    print(f'Number of lines: {num_lines}')
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