diff --git a/index.js b/index.js
index e69de29bb..8e20e7b24 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,24 @@
+function updateObjectWithKeyAndValue(object, key, value) {
+   return Object.assign({}, object, { [key]: value })
+}
+
+function destructivelyUpdateObjectWithKeyAndValue(object, key, value) {
+  object[key]  = value
+  return object
+  
+}
+
+
+
+function deleteFromObjectByKey(object, key) {
+  var newObj = Object.assign({}, object)
+  delete newObj[key]
+  return newObj
+
+}
+
+function destructivelyDeleteFromObjectByKey(object, key) {
+ delete object[key]
+ return object
+  
+}
\ No newline at end of file