C

learnc/learnc7.c

@@ -0,0 +1,13 @@
+   #include <stdio.h>
+   int sum (int num) {
+    static int total = 0;
+    total += num;
+    return total;
+   }
+
+   int main() {
+       printf("%d ",sum(55));
+       printf("%d ",sum(45));
+       printf("%d ",sum(50));
+       return 0;
+   }