diff --git a/ChangeLog b/ChangeLog
index 3de6687..b243405 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2024-10-30  Mert Gör  <mertgor@masscollabs.xyz>
 
+	* c-basic/local_vs_global.c (main): local variable and global variable
+
 	* c-basic/C.pdf: page 24 scope
 
 	* c-basic/void.c (main): Void/Return
diff --git a/c-basic/local_vs_global.c b/c-basic/local_vs_global.c
new file mode 100644
index 0000000..16d21eb
--- /dev/null
+++ b/c-basic/local_vs_global.c
@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+int main()
+{
+  int a;
+
+  {
+    int b;
+
+    b = 20;
+    a = 10;
+
+    printf("a = %d, b = %d\n", a, b);
+    
+  }
+
+  printf("a = %d\n", a); // correct
+  //  printf("b = %d\n", b); // incorrect/error
+}