diff --git a/index.js b/index.js
index e69de29bb2..2aab458088 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,24 @@
+function updateObjectWithKeyAndValue(object, key, value) {
+  var newObj = Object.assign({},object,{[key]:value})
+  // Object.assign(object,{[key]:value})
+  // return Object.assign(object,{[key]:value})
+  // object = Object.assign(object,{[key]:value})
+  // console.log(object)
+  return newObj
+}
+
+function destructivelyUpdateObjectWithKeyAndValue(object, key, value) {
+  object[key] = value
+  return object
+}
+
+function deleteFromObjectByKey(object, key) {
+  var newObj = Object.assign({},object[key])
+  delete newObj[key]
+  return newObj
+}
+
+function  destructivelyDeleteFromObjectByKey(object, key) {
+  delete object[key]
+  return object
+}
\ No newline at end of file