two_pi, with the value 2 * π, using double square brackets three_pi, with the value 3 * π, using the dollar sign operator four_pi, with the value 4 * π, using the assign function List the contents...

two_pi, with the value 2 * π, using double square brackets

three_pi, with the value 3 * π, using the dollar sign operator

four_pi, with the value 4 * π, using the assign function

List the contents of the environment, along with their values. [10]