Write your own example of a set P containing 5 ordered pairs (x, y) such that P is not a function.

For Sob 22 - write up what the properties of sets, lists, vectors and strings are and whether they are mutable or immutable. Then consider the class of problems that they are best for. Use some code to illustrate your points. e.g. if you have a function that solves a problem using lists, then you can say why you can/can’t use vectors for it or sets etc. Based on dr racket. e.g.

Finally, we will do some simple analysis – ranking of words. Write a function word_ranking(corpus, n, sort_index) which takes input parameters corpus (type list), n (type int), and sort_index (type int) and returns a list containing tuples of words and their frequencies in the top n of words. Here, corpus is a list of sentences. n is the number of ranked words to return. The resulting list should then be sorted based on the sort_index; sort_index = 0 should sort the list of tuples in ascending alphabetical order, while sort_index = 1 should sort the list of tuples by the frequencies in descending order. All other numeric values for sort_index should return an empty list (don't need to consider non-integer inputs). For example, we have: corpus = ['hi hi hi hi', 'hello hello say bye', 'bye bye']n = 3sort_index = 1   The function should return:   [('hi', 4), ('bye', 3), ('hello', 2)]   While sort_index = 0 should return:   [('bye', 3), ('hello', 2), ('hi', 4)]     You can assume n would…

Create a function that takes the dimensions of two triangles (as arrays) and checks if the first triangle fits into the second one. Examples does TriangleFit([1, does TriangleFit([1, does TriangleFit([1, does TriangleFit([1, 1, 1], [1, 1, 1]) → true 1, 1], [2, 2, 2]) → true 2, 3], [1, 2, 2]) → false 2, 4], [1, 2, 6]) → false