Reading input from file, instead of hard-coding values in your code or getting them from user input, can speed up your workflow and allow you to write modular code. In this lab, you will write a function read_configuration(), which will take a filename as its input and return a list, where every line from the file is a list, which contains each whitespace-separated value as its element.
For example, below are the contents of a file is called board1.txt:
X O .
X O .
X . .
After processing this file, the function should produce the following:
>>> read_configuration("board1.txt")
[['X', 'O', '.'], ['X', 'O', '.'], ['X', '.', '.']]
Note that you can visualize the returned list as follows to see how it maps to the input file
[['x', 'o', '.'],
['x', 'o', '],
['x', '.', ']]
Hint: Remember that split() is a really helpful function. Also, you can get a sense of how to approach file processing by following along.

Show that there is a language a ⚆ {0, 1} â— with the following properties: 1. for all x â a, |x| ≤ 5. 2. no dfa with fewer than 9 states recognizes a. hint: you don’t have to define a explicitly; just show that it has to exist. count the number of languages satisfying (1) and the number of dfas satisfying (2), and argue that there aren’t enough dfas to recognize all those languages. to count the number of languages satisfying (1), think about writing down all the strings of length at most 5, and then to define such a language, you have to make a binary decision for each string about whether to include it in the language or not. how many ways are there to make these choices? to count the number of dfas satisfying (2), consider that a dfa behaves identically even if you rename all the states, so you can assume without loss of generality that any dfa with k states has the state set {q1, q2, . . , qk}. now think about how to count how many ways there are to choose the other four parts of the dfa.

Jackson is teaching the decimal number system. he wants his students to know how to expand numbers by powers of 10. which is the correct order in which digits are assigned values in the decimal number system?

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors