1. Write a R code using for-loop:

Which will print each semester from given vector

X <- c("fall2018", "spring2019", "fall2019")

2. Write a python function to print out all the even numbers from a given list: List1 = [5,2,6,8,1,23]

3.

Using R Code:

Create a function that given a vector will print by screen the median and the standard deviation, it will optionally also print the mean.