Following Lab S, write a program that asks the user for the name of a png file and print the number of pixels that are nearly white (the fraction of red, the fraction of green, and thie fraction of blue are all above 0.5) For example, if your file was of the snow pack in the Sierra Nevada mountains in California in February 2014 0 then a sample run would be Enter file nane1 caDrought2014 png Snow count La 38010