diff --git a/index.js b/index.js
index a72e7e6..49ebea6 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,31 @@
-// Do work!
\ No newline at end of file
+
+
+
+function validatePassword(password) {
+    if (password.length < 8) return false
+
+    const stringOfNumbers = '1234567890'
+    const stringOfSpecialChars = '`~!@#$%^&*()_+-=[]\\{}|;\':",./<>?'
+    const stringOfAlaphabet = 'abcdefghijklmnopqrstuvwxyz'
+
+    let upper = 0
+    let lower = 0
+    let numeric = 0
+    let special = 0
+
+    for (let i = 0; i < password.length; i++) {
+        if (stringOfAlaphabet.includes(password[i])) {
+            lower++
+        } else if (stringOfAlaphabet.toUpperCase().includes(password[i])) {
+            upper++
+        } else if (stringOfNumbers.includes(password[i])) {
+            numeric++
+        } else if (stringOfSpecialChars.includes(password[i])) {
+            special++
+        }
+    }
+    
+    return lower > 0 && upper > 0 && numeric > 0 && special > 0
+}
+
+module.exports = validatePassword
\ No newline at end of file