You have myFriends object created as above. Now, write R codes to add a column called "names" to myFriends. After you successfully add the names column, myFriends will look like this: names <-c("jeff", "jen", "joe", "sunny", "jane") > myFriends IDs Pets Order Siblings names 11130 jeff 22113 jen 33125 joe 44030 sunny 55030 jane.