Python help pls thx

Really appreciate

Requirements . Submit only the files requested . Print all real numbers to 2 decimal points unless stated otherwise Restrictions . No global variables may be used . The only code that may appear outside of a function are function definitions and function calls NEW: You may not import any modules Description Write a program called words.py that when provided with a dictionary and a list of characters prints all possible words that can be formed using those characters Problem Details Your program will be provided a file that contains all of the known words with one word per line o All of the words in the file are lowercase Your program will be provided with a list of letters . o The letters will all be on one line with a space between each letter Your program should output all possible words that be formed using those letters . o These words should be displayed in alphabetical order o No duplicates should be displayed o Each letter can only be used a single time For example if the user inputs a and p then the word app can NOT be formed as it uses the same letter, p, twice. If the user inputs a p p then the word app could be formed as you use each p once Input All input will be valid The name of the file containing all of the words The letters being used . o All on one line with a space between each letter