Define an enumeration type, triangleType, that has the value scalene, isosceles, equilateral, and noTriangle.
b) Write a function, triangleShape that takes as parameters three numbers, each of which represents the length of a side of thed triangle. The function should return the shape of the triangle. (Note: In a triangle, the sum of the lengths of any two sides is greater than the length of the third side).
c) Write a program that prompts the user to input the length of the side of a triangle and outputs the shape of the triangle.