diff --git a/gccontent.py b/gccontent.py
new file mode 100644
index 0000000..d625cbd
--- /dev/null
+++ b/gccontent.py
@@ -0,0 +1,9 @@
+from Bio import SeqIO
+from Bio.Seq import Seq
+from Bio.SeqUtils import GC
+
+for seq_record in SeqIO.parse("gccontent.txt","fasta"):
+	print(seq_record.id)
+	x=str((seq_record.seq))
+	print(GC(x))
+	
diff --git a/helloworld.c b/helloworld.c
index 53889d1..2d6ebe0 100644
--- a/helloworld.c
+++ b/helloworld.c
@@ -1,7 +1,5 @@
-#include <stdio.h>
-#include <stdlib.h>
-
+#include<stdio.h>
 int main(){
-    printf("Hello world");
-    return 0;
+  printf("Hello World");
+  return 0;
 }