diff --git a/arrays_and_strings/two_sums.py b/arrays_and_strings/two_sums.py
new file mode 100644
index 0000000..9f8b32f
--- /dev/null
+++ b/arrays_and_strings/two_sums.py
@@ -0,0 +1,11 @@
+def two_sum(nums: list[int], target: int) -> list[int]:
+        
+  aux_dict = {}
+  for i, n in enumerate(nums):
+    complement = target - n
+            
+  if complement in aux_dict:
+    return [aux_dict[complement][0], i]
+            
+  aux_dict[n] = (i, n)
+