.A) 8-puzzle 5 testsThis question (and next question) require you to read and understand the codes provided. Then fill in the missing pieces of codes marked with xxx to produce the expected results.
B)The travelling salesperson problem (TSP) asks the following question:Given a list of cities with x- and y-coordinate,
what is the shortest possible route (tour)that visits each city exactly once and
returns to the origin city
C.sorted relate to pandas and flaskPandas DataFrame [81 exercises with solution]https://www.w3resource.com/python-exercises/pandas/index-dataframe.phpPandas Indexing [ 26 exercises with solution]https://www.w3resource.com/python-exercises/pandas/index/index.phpPandas Plotting [19 exercises with solution]https://www.w3resource.com/python-exercises/pandas/plotting/index.phpFlask Tutorial Part i,iihttps://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-worldhttps://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-ii-templatesD: Word FrequencyWrite a program that reads the contents of a text file “test.txt”The program should create a dictionary in which the keys are the individual words found in the file and the values are the number of times each word appears.Words are case insensitive and do not contains any punctuationsThe program should display works and their frequency 4 differnt formats as shown below.List of words and frequency have to be in a sorting order as shown.
Requirements: 1