diff --git a/lib/array_equals.rb b/lib/array_equals.rb
index 58e8369..945b946 100644
--- a/lib/array_equals.rb
+++ b/lib/array_equals.rb
@@ -1,5 +1,32 @@
 # Determines if the two input arrays have the same count of elements
 # and the same integer values in the same exact order
-def array_equals(array1, array2)
-  raise NotImplementedError
+def array_equals(array1, array2) 
+  # list of 2 arrays 
+  # array1 = [10, 20, 30, 40, 50, 60] # 6 > return true otherwise false
+  # array2 = [10, 20, 30, 40, 50, 60] # 6
+
+  if array1 == nil && array2 == nil
+    return true
+  end
+
+  if array1 == nil || array2 == nil
+    return false
+  end
+
+  # if the two arrays are of different length
+  if array1.length != array2.length
+    return false
+  end
+
+  # take each element in ar1 and in ar2
+  array1.each_with_index do | ar1_el, index |
+    ar2_el = array2[index]
+
+    # if ar1_el is not the same as ar2_el
+    if ar1_el != ar2_el
+      return false
+    end 
+  end
+  # otherwise return true because they all are similar
+  return true
 end