diff --git a/lpy.c b/lpy.c
new file mode 100644
index 0000000..1a677c8
--- /dev/null
+++ b/lpy.c
@@ -0,0 +1,15 @@
+void AverSumofEveryStudent( STU stu[], int n, int m)
+{
+	int i, j;
+	for (i=0; i<n; i++)
+	{
+	    stu[i].sum = 0;
+	    for (j=0; j<m; j++)
+	    {
+            stu[i].sum = stu[i].sum + stu[i].score[j];
+	    }
+	    stu[i].aver = m>0 ? stu[i].sum / m : -1;
+	    printf("student %d: sum = %.0f, aver = %.0f\n", 
+i+1, stu[i].sum, stu[i].aver);
+	}	
+}
\ No newline at end of file