Write a single program that calculates the arithmetic mean (average), rms average, geometric mean, and harmonic mean for a set of positive numbers. Use any method that you desire to read in the input values. Compare these values for each of the following sets of aumbers.
a. $4,4,4,4,4,4,4$
b. $4,3,4,5,4,3,5$
c. $4,1,4,7,4,1,7$
d. $1,2,3,4,5,6,7$