Merge pull request #506 from jojoo15/patch-39

添加 0503.下一个更大元素II python3版本

problems/0503.下一个更大元素II.md

@@ -97,7 +97,18 @@ public:
 Java: 
 
 Python: 
-
+```python3
+class Solution:
+    def nextGreaterElements(self, nums: List[int]) -> List[int]:
+        dp = [-1] * len(nums)
+        stack = []
+        for i in range(len(nums)*2):
+            while(len(stack) != 0 and nums[i%len(nums)] > nums[stack[-1]]):
+                    dp[stack[-1]] = nums[i%len(nums)]
+                    stack.pop()
+            stack.append(i%len(nums))
+        return dp
+```
 Go:
 
 JavaScript: