done

c++/hello_world.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+int main() {
+    std ::cout << "hello world";
+    return 0;
+}

c/sum.c

@@ -0,0 +1,27 @@
+/* Programme to find sum using 3 variables and 2 varibles */
+
+#include <stdio.h>
+
+int main(void) {
+
+  //using 3 variables
+
+  int a,b;
+  printf("enter the value of a=\n");
+  scanf("%d",&a);
+   printf("enter the value of b=\n");
+  scanf("%d",&b);
+  int sum=a+b;
+  printf("sum = %d",sum); 
+
+  //using 2 variable 
+
+  int a,b;
+
+  printf("enter the value of a=\n");
+  scanf("%d",&a);
+   printf("enter the value of b=\n");
+  scanf("%d",&b);
+  printf("sum is %d",a+b);
+  return 0;
+}

other/js/hello.js

@@ -0,0 +1 @@
+console.log("Hello, World!");

python/sub 2 numbers.py

@@ -0,0 +1,3 @@
+first_number = int(input("enter first number:"))
+sec_number = int(input("enter second number:"))
+print(first_number- sec_number)