Create find-common-elements-between-two-arrays.py

Author: kamyu104

Python/find-common-elements-between-two-arrays.py

@@ -0,0 +1,13 @@
+# Time:  O(n + m)
+# Space: O(n + m)
+
+# hash table
+class Solution(object):
+    def findIntersectionValues(self, nums1, nums2):
+        """
+        :type nums1: List[int]
+        :type nums2: List[int]
+        :rtype: List[int]
+        """
+        lookup1, lookup2 = set(nums1), set(nums2)
+        return [sum(x in lookup2 for x in nums1), sum(x in lookup1 for x in nums2)]