Python

QUESTION 8 10.00000 p Array texmex contains the numbers of people crossing the border between Texas and Mexico in both directions, by day. The number is positive if more people enter Texas and negative if more people enter Mexico. Assuming that on day 0 the population of Mexico was 0 and there is no way to enter Mexico other than from Texas, which expression calculates the array that contains the total population of Mexico, by day? -texmex.cumsum) texmex.mean ( texmex.cumsum () texmex. sum ()