diff --git a/a.txt b/a.txt
new file mode 100644
index 0000000..3c18775
--- /dev/null
+++ b/a.txt
@@ -0,0 +1 @@
+the first commit 
diff --git a/single_level_inheritance.cpp b/single_level_inheritance.cpp
new file mode 100644
index 0000000..3cc3c1e
--- /dev/null
+++ b/single_level_inheritance.cpp
@@ -0,0 +1,49 @@
+//single level inheritance i.e taking one as a parent class and another as  a child class 
+//Dtyagi-9
+#include <iostream>
+using namespace std;
+class A
+{
+	
+public:
+	int a,b;
+	A(){
+      a=0;
+      b=0;
+	};
+	A(int p,int q)
+	{
+		a=p;
+		b=q;
+	}
+	void getdata()
+	{
+		cout<<"enter the values in a and b   \n";
+		cin>>a>>b;
+
+	}
+	
+	
+};
+
+class B:public A
+{
+public:
+	
+void display()
+{
+	cout<<"THE VALUES OF A AND B ARE: \n a="<<a<<"\n b="<<b;
+}
+};
+
+
+
+int main()
+{
+    
+    B objB;
+    objB.getdata();
+    objB.display();
+
+	return 0;
+}
\ No newline at end of file