diff --git a/JungHwan/NeetCode_ProductsOfArrayDiscludingSelf.py b/JungHwan/NeetCode_ProductsOfArrayDiscludingSelf.py
new file mode 100644
index 0000000..257a027
--- /dev/null
+++ b/JungHwan/NeetCode_ProductsOfArrayDiscludingSelf.py
@@ -0,0 +1,25 @@
+class Solution:
+    def getPre(self, nums:List[int]) -> List[int]:
+        prelist = []
+        product = 1
+        for i in nums:
+            prelist.append(product)
+            product *= i
+        return prelist
+
+    def getPost(self, nums:List[int]) -> List[int]:
+        postlist = []
+        product = 1
+        for i in reversed(nums):
+            postlist.append(product)
+            product *= i
+        return list(reversed(postlist))
+
+
+    def productExceptSelf(self, nums: List[int]) -> List[int]:
+        pre = Solution.getPre(Solution,nums)
+        post = Solution.getPost(Solution,nums)
+        productList = []
+        for i in range(len(nums)):
+            productList.append(pre[i] * post[i])
+        return productList
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