diff --git a/ChangeLog b/ChangeLog
index c92528c..5c75941 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2024-11-01  Mert Gör  <mertgor@masscollabs.xyz>
 
+	* c-basic/global_local.c: global and local variable
+
 	* c-basic/file_scope.c (foo): file scope example
 
 2024-10-30  Mert Gör  <mertgor@masscollabs.xyz>
diff --git a/c-basic/global_local.c b/c-basic/global_local.c
new file mode 100644
index 0000000..96ae321
--- /dev/null
+++ b/c-basic/global_local.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+
+int a;
+
+void foo()
+{
+  int a;
+
+  a = 10; 
+}
+
+int main()
+{
+  a = 20; 
+
+  printf("%d\n", a); 
+  foo();
+  printf("%d\n", a);
+
+  return 0;
+}