From 91253de020dcc32430eb2f359a5acec08fb4ef55 Mon Sep 17 00:00:00 2001
From: David <david@somewebsite.co.uk>
Date: Tue, 7 Sep 2021 11:25:02 +0100
Subject: [PATCH] Add preprocessor example

---
 Lecture/lec_define.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 Lecture/lec_define.cpp

diff --git a/Lecture/lec_define.cpp b/Lecture/lec_define.cpp
new file mode 100644
index 0000000..568dd68
--- /dev/null
+++ b/Lecture/lec_define.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+using namespace std;
+
+#define PI 3.14159
+
+int main()
+{
+    cout << PI << endl;
+
+    return 0;
+}