Complete the Python function name "getTempRain" to return the Temperature and Rainfall data from the

DataFrame weather for a given region. Design your unit test cases and display the result.

If the region is not in the valid region list, the value for both return parameters nTemp and nRain

should be equal to $-1.$

If the weather station in the region has no Thermometer, the value of temperature will set to be $-1.$

If the weather station in the region has no Rain gauge, the value of Rain fall will set to be $-1$

def getTempRain $($Region$,$ weather$)$