self.csv_path = "items.csv"
习题链接：LeetCode 739. 每日温度
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Launch had been planned for early February, but it was delayed to repair a hydrogen leak and, more recently, to give engineers time to fix a helium pressurization problem in the rocket's upper stage. Launch is now on hold until at least April 1.
the concept was well-known in the computer industry. As IBM designed the 2984,