There are six strings of length 4 which cannot be produced by the following regular expression over the alphabet Σ = {a, b}. What are they? (a+bb)*(ab+ba) (aa + b)* Please select file(s) Select file(s)
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- 【Python Programming】Writing a game is _word_drome(), a Chinese string palindrome that determines whether the content is given, all non-English words are loaded, and the Chinese string is required to be read from the file.*Code in Python A file concordance tracks the unique words in a file and their frequencies. Write a program that displays a concordance for a file. The program should output the unique words and their frequencies in alphabetical order. Variations are to track sequences of two words and their frequencies, or n words and their frequencies. Below is an example file along with the program input and output: example.txt I AM SAM I AM SAM SAM I AM Enter the input file name: example.txt AM 3 I 3 SAM 3 The program should handle input files of varying length (lines).The function print_last_line in python takes one parameter, fname, the name of a text file. The function should open the file for reading, read the lines of the file until it reaches the end, print out the last line in the file, report the number of lines contained in the file, and close the file. Hint: Use a for loop to iterate over the lines and accumulate the count. For example: Test Result print_last_line("wordlist1.txt") maudlin The file has 5 lines.
- Python programming help I need help of question 1 to read a file from persons.txt Write a program that takes a person’s details (name, age and a city), and writes to a file (persons.txt) using a loop repeatedly. You should write three person’s to the file. The program terminates on entering any key by the user, except on (Y or y) key. Sample output of the first run of the program is shown below: Enter name: JohnEnter age: 20Enter city: SydneyData saved: John 20 SydneyPress (Y or y) to add another person, or any key to exit Question 1) Write a program that read a file (persons.txt) from previous question given on the top of this question, and shows all the records/lines from the file as a nicely formatted report with a header as shown: Name Age City +---------------------+--------------------+--------------Case - I: Playing with Digits Write a program which reads input integers from input file which consists a series of numbers where each integer contains only of the digits from 0 to 9. SO 1. Count total digits in the number SO 2. Count & Print the even digits SO 3. Count & Print Odd Digits SO 4. Showing how many times each digit appears in the integer. Specifically if a is an integer is countTotalDigits (a):// Returns total digits in integer // Function to count & print even digitS countEvens (a) ; countodds (a) ; // Function to count & print odd digits countDigits (a) ; // Function to count & print digits with starsPython programming-basics homework assignment: Write a program that inputs a text file, should print unique words in file in abc order, uppercase words should take precedence over lower. this is example of output: example text file: brown dog fox jumps lazy over quick the example output: brown dog fox jumps lazy over quick the THis is MY output: thequickbrownfoxjumpsoverthelazydog This is my code: QUESTION: why it won't SORT or removing unique text like example output: # Put your code herefileName = input("Enter the input file name:")word_list = []with open(fileName) as words: for line in words: line.rstrip() for list_of_words in line.split(): print(list_of_words) word_list.sort() for list2_words in word_list: if list2_words not in word_list: word_list.sort() word_list.append(list_of_words) for new_words in line.split(): print(new_words)
- Case - I: Playing with Digits Write a program which reads input integers from input file which consists a series of numbers where each integer contains only of the digits from 0 to 9. SO 1. Count total digits in the number SO 2, Count & Print the even digits SO 3. Count & Print Odd Digits SO4. Showing how many times cach digit appears in the integer. Specifically if a is an integer is countTotalDigits (a); // Returns total digits in integer countevens (a); // Function to count & print even digits countodds (a); // Function to count print odd digits countDigits (a); // Function to count s print digits with starsscanner format using java please have the code copypaste Create a program to count the word's length distribution of a text file. The program should read in the file row by row and split the row into words (assuming there is no punctuations). Then the program should count the number of strings of a certain length. For example, given the following file: Mary has a little lamb little lamb little lamb The result should be: Length 1: 1 Length 3: 1 Length 4: 4 Length 6: 3JAVA PPROGRAM Write a program that prompts the user to enter a file name, then opens the file in text mode and reads names. The file contains one name on each line. The program then compares each name with the name that is at the end of the file in a symmetrical position. For example if the file contains 10 names, the name #1 is compared with name #10, name #2 is compared with name #9, and so on. If you find matches you should print the name and the line numbers where the match was found. While entering the file name, the program should allow the user to type quit to exit the program. If the file with a given name does not exist, then display a message and allow the user to re-enter the file name. The file may contain up to 100 names. You can use an array or ArrayList object of your choosing, however you can only have one array or ArrayList. Input validation: a) If the file does not exist, then you should display a message "File 'somefile.txt' is not found." and allow the…
- ///-In python-/// def get_words_last_1():"""The function should take a list of wordsas an input parameter and return a new list of stringswith the last character removed. (Use string slicing)If the word is empty or has only 1 character, then skip it.""" pass The code should aslo have if __name__ == "__main__" section.C Standard Library The C library stdio.h provides several key input/output functions. For questions 1-13, please match the names to the best descriptions of their functions. fclose() feof() fopen() c. Reads formatted input from a file fprintf() d. Reads formatted input from stdin printf() e. Reads a line from a file and stores it into a string sprintf() f. Reads a line from stdin and stores it into a string fscanf() g. Writes a string (plus newline character) to stdout scanf() h. Writes a string (plus newline character) to a file sscanf() i. Test the end-of-file indicator for a file fgets() j. Reads formatted input from a string fputs() k. Sends formatted output to a string gets() l. Close a file puts() m. Opens a filename using the given mode a. Sends formatted output to a file b. Sends formatted output to stdou c. Reads formatted input from a file d. Reads formatted input from stdin e. Reads a line from a file and stores it into a string f. Reads a line from stdin and stores…scores.txt : Jan,86 Drew,92 Blake,85 Alex,81 Taylor,88 Jordan ,72Cam,89 Note: code is written in python using strings and lists only The file scores.txt (attached) contains a list of names and test scores. Create a program that reads each line of the file and determines the highest score and who obtained it. This is an exercise in strings. You are required to use at least one string method to determine the names and the scores. Your output should resemble the following: Highest Score: 100Achieved by: Jay Note; i could not send an attachment of the actual file but i have copied its contents.