diff --git a/13.py b/13.py
new file mode 100644
index 0000000000000000000000000000000000000000..71dbe09bdb32aa6db030404755b054d3a76e31db
--- /dev/null
+++ b/13.py
@@ -0,0 +1,5 @@
+def solve(nums):
+    result = [nums[0]]
+    for i in range(1, len(nums)):
+        result.append(result[i - 1] + nums[i])
+    return result
\ No newline at end of file