What will the following code print assuming infile is a file object that has been just opened for reading in the preceding step? infile.readline() lines = infile.readlines() printlines[0]) O Print the second line of the file. O Print the third line of the file. O Print the first line of the file. O Print all the lines of the file.
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- getline(myfile,str); * 2 points writes a line of text str from the file myfile reads a line of text to str from the file myfile writes a character str to the file myfile reads a character str from the file myfileWrite code that does the following: opens a file named MyName.txt, reads the first linefrom the file and displays it, and then closes the file.3. Write a pseudocode that does the following: create a file, use open(), write() method returns number of characters written, and use close() to close file.
- File Operations:Write a complete program that reads integers from a file called numbers.txt, and displays their sum on the screen. Example: If the content of numbers.txt is: 10 20 30 100 The program should print: 160INTRO JAVA A hotel salesperson enters sales in a text file. Each line contains the following, separated by semicolons: The name of the client, the service sold (such as Dinner, Conference, Lodging, and so on), the amount of the sale, and the date of that event. Write a program that (a) reads input file and displays the total amount for each service category. (b) writes a separate file for each service category, containing the entries for that category ; the file name should be <ServiceCategory.txt> ; so if the input has Dinner and Conference as service categories, the output file will be Dinner.txt and Conference.txt Note: Display an error if the file does not exist or the format is incorrect. Create your own input file using the format described above, here are few lines from the input file: John Doe; Dinner; 45.69;04/19/2020 Sean Kim; Conference; 1000.00; 05/03/2021 Mike Jones;Conference;750.00;05/01/2021 Jane Smith;Dinner;50.00;04/19/2021 The program should generate the…Files Class Activity Write a program to write your first name (hard coded) to the screen and possibly to a file whose name is passed into the program from the command line. It can be written in upper or lower case or mixed case as the default. Usage: writer [-f filename] If the -f option is included with a filename, then create a file with that name or overwrite a previously existing file and write your name in on the first line. If the -f option is not included, then only write your name to the screen followed by a newline. Use a copy of the original getopt to parse the command line. Be sure to test whether a file open succeeds or not and close any file you open when done.
- B7 Write a program that reads a file and find out the total uppercase, lowercase, whitespaces and digits occurred in the file.What does this code write into the file data.binFile Iteration: Introduction A text file is essentially a sequence of lines. Here is a typical coding pattern for processing each line of a file in turn: Open the file for reading. Use a for loop to iterate over the lines of text, executing a block of one or more statements to process each line. Close the file. Finish processing (print, return, etc.) if needed NOTE: You will need to use this pattern, or some variation of it, to solve the remaining coding problems in this assignment. As the following for loop iterates through each line of the file, the loop variable (`line`) represents the current line of the file as a string of characters. myFile = open("someTextFile.txt", "r") for line in myFile: do something on each iteration do a second thing on each iteration etc... myFile.close() PROBLEM: Read a string from standard input using python. Then, iterate over a text file called "cards.txt" and, for each line of the file that starts with the string read from standard input,…
- Write code that does the following: opens an output file with the filename number_list.txt, uses a loop to write the numbers 1 through 100 to the file, and then closes 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).2. Message Decoder Create a MessageDecoder program that reads from a file (one character at a time), and writes all non-numeric characters to a file called DecodedMessage.txt, displaying a secret (and motivational) message. ***Hint: .read() will return an int, but this can be type cast as a char. int and char are interchangeable (via type-caşting). You could run a loop on a condition like charInFile != (char) -1 Don't forget that -1 is a special character that denotes the end of a file!