Which statement correctly creates a set named colors that contains the 7 colors in a rainbow?
a. colors = ["red", "orange", "yellow" "green", "blue", "indigo", "violet"]
b. colors = {red, orange, yellow, green, blue, indigo, violet}
c. colors = [red, orange, yellow, green, blue, indigo, violet]
d. colors = {"red", "orange", "yellow", "green", "blue", "indigo", "violet"}