Merge pull request #2490 from shuaigewudi/master

修改 0039.组合总和.md：修改python代码错误，将continue改为break

Author: youngyangyang04

problems/0039.组合总和.md

@@ -311,7 +311,7 @@ class Solution:
 
         for i in range(startIndex, len(candidates)):
             if total + candidates[i] > target:
-                continue
+                break
             total += candidates[i]
             path.append(candidates[i])
             self.backtracking(candidates, target, total, i, path, result)