diff --git a/index.js b/index.js
index a72e7e6..06a96b1 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,6 @@
-// Do work!
\ No newline at end of file
+// Do work!
+function validatePassword(password){
+if (password.length >= 8)
+return true
+}
+module.exports = validatePassword
\ No newline at end of file
diff --git a/package.json b/package.json
index 21c8e3e..c38e46c 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "lint": "eslint --format codeframe .",
     "lint:fix": "eslint --fix --format codeframe .",
-    "test": "mocha -w"
+    "test": "mocha "
   },
   "repository": {
     "type": "git",
diff --git a/test/index.spec.js b/test/index.spec.js
index e9cf47f..fcf1185 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -1,5 +1,5 @@
 const { expect } = require('chai')
-const validatePassword = require('../index')
+const validatePassword = require('../validatePassword2')
 
 describe('validatePassword', () => {
   it('returns true when the password meets all requirements', () => {
diff --git a/validatePassword2.js b/validatePassword2.js
new file mode 100644
index 0000000..d662c0c
--- /dev/null
+++ b/validatePassword2.js
@@ -0,0 +1,29 @@
+function isLowerCase(pwd, index) {
+    return pwd.charCodeAt(index) >= 97 && pwd.charCodeAt(index) <= 122
+  }
+  function isUpperCase(pwd, index) {
+    return pwd.charCodeAt(index) >= 65 && pwd.charCodeAt(index) <= 90
+  }
+  function isNumeric(pwd, index) {
+    return !isNaN(pwd[index])
+  }
+  function validatePassword(pwd) {
+    if (pwd.length < 8) return false
+    let upper = 0
+    let lower = 0
+    let numeric = 0
+    let special = 0
+    for (let i = 0; i < pwd.length; i++) {
+      if (isLowerCase(pwd, i)) {
+        lower++
+      } else if (isUpperCase(pwd, i)) {
+        upper++
+      } else if (isNumeric(pwd, i)) {
+        numeric++
+      } else {
+        special++
+      }
+    }
+    return lower > 0 && upper > 0 && numeric > 0 && special > 0
+  }
+  module.exports = validatePassword
\ No newline at end of file