diff --git a/jazzarray_equals.rb b/jazzarray_equals.rb
new file mode 100644
index 0000000..0ca86f7
--- /dev/null
+++ b/jazzarray_equals.rb
@@ -0,0 +1,20 @@
+def array_equals(array1, array2)
+  # raise NotImplementedError
+  i = 0
+  if array1 == nil && array2 == nil
+    return true
+  elsif (array1 != nil && array2 == nil) || (array1 == nil && array2 != nil)
+    return false
+  elsif array1.length == array2.length
+    array1.each do |num|
+      if num == array2[i]
+        i += 1
+      else
+        return false
+      end
+    end
+  else
+    return false
+  end
+  return true
+end