Write a program in Golang to input* a set of n numbers and

1) calculate and print the average of the set

2) calculate and print the standard deviation** of the set

3) calculate and print the median*** of the set

* Input = read from either file or keyboard, your choice

** The median for an even number of items is the average of the two midpoint values when the items are arranged in sorted order; the median for an odd number of items is the middle value when the items are arranged in sorted order.