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对python append 与浅拷贝的实例讲解_python_脚本之家
def combinationSumRecu(self, candidates, result, start, temp, target): if target == 0: result.append(temp) # 注意此处不能直接append(temp),否则是浅拷贝,之后temp.pop()时会将result中的数也pop出来 while start < len(candidates) and candidates[start]<=target: ...
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