AC simply readable Python, one line
\ndef isRectangleOverlap(self, rec1: List[int], rec2: List[int]) -> bool:\n    return max(rec1[0], rec2[0]) < min(rec1[2], rec2[2]) and max(rec1[1], rec2[1]) < 
```\ndef isRectangleOverlap(self, rec1: List[int], rec2: List[int]) -> bool:\n    return max(rec1[0], rec2[0]) < min(rec1[2], rec2[2]) and max(rec1[1], rec2[1]) < min(rec1[3], rec2[3])\n```
['Python', 'Python3']