测试天气预报功能。温度高于某值时提示高温预警，温度低于某值时提示低温预警。-Test weather forecasting capabilities. The prompt high temperature warning when the temperature is above a certain value, the low temperature warning prompts when the temperature is below a certain value.

气温记录功能。是天气预报的一个补充功能。在提供高、低温预警之外，另将每一次读取的气温值记入档案。-Function of temperature records. Is a complementary function of the weather forecast. To provide high and low temperature warning, and the other will read every temperature value recorded in the file.