add 728.py

Author: vaankiller

py2/728. Self Dividing Numbers.py

@@ -0,0 +1,19 @@
+class Solution(object):
+    def selfDividingNumbers(self, left, right):
+        """
+        :type left: int
+        :type right: int
+        :rtype: List[int]
+        """
+        return filter(self._is_self_dividing_num, xrange(left, right+1))
+    
+    def _is_self_dividing_num(self, num):
+        digits = [int(i) for i in str(num)]
+        if 0 not in digits:
+            for i in digits:
+                if num % i:
+                    break
+            else:
+                return True
+        return False
+