Q1. Write a program that handles a list of numbers where it has the following functions - Function that reads a list - Function that save a list to a file "myfile.dat" - Function that load a list from a file "myfile.dat" - Function that finds their sum, average, maximum, minimum - Function that calculate the standard deviation and the variance of a list. - Function that search for a given number in that list. Then the program should do the following: - Read the list - Find sum, average and standard deviation of that list - Save the list - Count the occurrence of a given number in that list