diff --git "a/leetcode3/\354\265\234\353\257\274\354\247\200/315-Count-of-Smaller-Numbers-After-Self.py" "b/leetcode3/\354\265\234\353\257\274\354\247\200/315-Count-of-Smaller-Numbers-After-Self.py"
new file mode 100644
index 00000000..7454291a
--- /dev/null
+++ "b/leetcode3/\354\265\234\353\257\274\354\247\200/315-Count-of-Smaller-Numbers-After-Self.py"
@@ -0,0 +1,13 @@
+class Solution:
+    def countSmaller(self, nums: List[int]) -> List[int]:
+        result = []
+        for i in range(len(nums)):
+            temp = 0
+            for j in range(i+1, len(nums)):
+                if nums[j] < nums[i]:
+                    temp += 1
+            result.append(temp)
+
+        return result
+
+        
\ No newline at end of file