Merge branch 'master' of github.com:doocs/leetcode

Author: Neil94n

solution/0771.Jewels and Stones/Solution.py

@@ -0,0 +1,18 @@
+class Solution:
+    def numJewelsInStones(self, J, S):
+        """
+        :type J: str
+        :type S: str
+        :rtype: int
+        """
+
+        D = {}
+        for each in J:
+            D[each] = 0
+
+        Sum = 0
+        for each in S:
+            if D.get(each) is not None :
+                Sum += 1
+
+        return Sum