adding product-of-array-except-self

Author: daiyongg-kim

product-of-array-except-self/daiyongg-kim.py

@@ -0,0 +1,20 @@
+class Solution:
+    def productExceptSelf(self, nums: List[int]) -> List[int]:
+        
+        size = len(nums)
+
+        #initialize array as 1 
+        result = [1] * size
+
+        left_pass = 1
+
+        for i in range(size):A
+            result[i] *= left_pass
+            left_pass *= nums[i]
+
+        right_pass = 1
+        for i in range(size-1, -1, -1):
+            result[i] *= right_pass
+            right_pass *= nums[i]
+
+        return result