diff --git a/LeetCode/1480_Running_Sum_of_1d_array.py b/LeetCode/1480_Running_Sum_of_1d_array.py
new file mode 100644
index 0000000..1cc9a3f
--- /dev/null
+++ b/LeetCode/1480_Running_Sum_of_1d_array.py
@@ -0,0 +1,7 @@
+class Solution:
+    def runningSum(self, nums: List[int]) -> List[int]:
+        ans = []
+        ans.append(nums[0])
+        for i in range(1, len(nums)):
+            ans.append(ans[i-1] + nums[i]) 
+        return ans
\ No newline at end of file