diff --git "a/leetcode3/\352\271\200\353\257\274\354\240\234/4020_Elevator_Requests.py" "b/leetcode3/\352\271\200\353\257\274\354\240\234/4020_Elevator_Requests.py"
new file mode 100644
index 00000000..6c8aea88
--- /dev/null
+++ "b/leetcode3/\352\271\200\353\257\274\354\240\234/4020_Elevator_Requests.py"
@@ -0,0 +1,12 @@
+class Solution:
+    def elevatorRequests(self, n: int, requests: list[int]) -> int:
+        total=0
+        before=0
+        for n in requests:
+            total=total+(abs(n-before))
+            before=n
+        return total
+n = 3
+requests = [2,0,0]
+solution = Solution()
+print(solution.elevatorRequests(n, requests))