warm up done

nodejs/week1/.gitignore

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+# Node.js
+node_modules/
+npm-debug.log

nodejs/week1/avg.js

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+console.log("Hi I'm avg.js");
+
+const args = process.argv.slice(2);
+
+
+function checkIfNumber(arg) {
+   return !isNaN(parseFloat(arg)) && isFinite(arg);
+};
+
+function getAVG(args) {
+    const sum = args.reduce((acc, arg) => acc + parseFloat(arg), 0);
+    return sum / args.length;
+}
+
+function main(args) {
+
+
+    if (args.length === 0) {
+        console.log("No arguments provided, please provide at least one number");
+        return;
+    } 
+
+    if (!args.every(checkIfNumber)) {
+        console.log("Please provide only numbers");
+        return;
+    } 
+
+    const average = getAVG(args);
+    console.log(`The average of ${args.join(", ")} is ${average}`);
+    return average;
+    } 
+
+
+
+
+
+console.log(main(args));
+
+