(25 points) Write a Python program that does the following: a) Defines a function that meets the following specifications: def MagVector Diff(vector1, vector2): vectorl and vector2: are both lists of numbers, representing vectors. They are vectors of the same size! The function returns: a single numerical value, containing the magnitude of the vector difference between vectorl and vector2: vectori vector2|| The function does NOT print the answer! b) Contains and calls a main() function that does the following: Creates the four vectors shown below, sends A and B to MagVector Diff() and then prints the answer, then sends C and D to Mag Vector Diff() and then prints the answer. A=[2, 1, 5, 9] B=[1, 2, 7, 5] C=[1.5, 3, 4, 7, 3] D=[2, 4.2, 4, 6, 3]