What is the difference between the "w" and "a me modes? 1-" a" is not a valid file mode for writing 2- "w" will not over-write the file but the "a" file mode will over-write O 3-"w" will over-write the file and "a" will append to the bottom of the file.
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- Create a program named FileComparison that compares two files. First, use a text editor such as Notepad to save your favorite movie quote. Next, copy the file contents, and paste them into a word-processing program such as Word. Then, write the file-comparison application that displays the sizes of the two files as well as the ratio of their sizes to each other. To discover a files size, you can create a System. 10. Filelnfo object using statements such as the following, where FILE_NAME is a string that contains the name of the file, and size has been declared as an integer: FileInfo fileInfo = new FileInfo(FILE_NAME); size = fileInfo.Length;The 'a' mode appends new data to the end of an existing file. But if the file is nonexistent, it does not create a new one to append the data.True or False1. Write a program that opens an output file with the filename my_name.txt, writes your name to the file, then closes the file. 2. Write a program that opens the my_name.txt file that was created by the program in problem 1, reads your name from the file, displays the name on the screen, then closes the file. Write code that does the following: opens an output file with the filename number_list.
- 2. File handling is an important part of any application. Assume that, you are asked to build an application to find the harmonic mean in a file. Assume that you have to read the file of "Filel.txt" and print the harmonic mean of each row to an output file "File2.txt". All of the data in the "File1.txt" is comma separated. In file1.txt you are given the name of the data set in first place, then you are given the data list. All of them are comma separated. Your task is to compute the harmonic mean from the given file | for each dataset. The file may contain more than 1000 rows. Write your code by following the requirements. File2.txt harmonic mean of Datal is 3.50 harmonic mean of Data2 is 3.43 harmonic mean of Data3 is 3.50 File1.txt Data1, 3, 4, 4, 3, 3.7, 4, 3.3, 1 Data2, 3, 4, 3.7, 3, 3.7, 4, 3, 1 Data3, 3, 4, 4, 3, 3.7, 4, 3, 2 Data4, 3, 4, 4, 3, 3.7, 4, 3.3, 2 Design a JAVA application that can perform the task with the given scenario. harmonic mean of Data4 is 3.49What 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() print(lines[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.Please in C Language Write a program that uses an existing text file (text.txt) to determine the number of occurrences of each letter. You can assume that the file is filled with only lowercase letters and only the letters from a-z are present! Write the result in a new file to be created by the program! Errors when opening and closing the files must be caught Data.txt I love my money
- Python programs are saved as ordinary text files (with the extension.py). This means we can read them and process them just like any other data file. Write a function num_whiles (filename) that reads the Python program file with the given filename and returns a count of the number of while loops found in that program. More precisely, your function should return the number of lines starting with (possibly) some white space followed by the string 'while , i.e. the word while with a space at the end. This is usually, but not necessarily, the same as the number of while loops in the program, but we won't worry about that here. In the first example below, the file testo.py contains the following program: i = 0 while i 0: \n") # ...and one indented while while_file.write(" while < 1: \n") while_file.close() # Now use it for testing print (num_whiles("while_file.py"))Prog 1. File Encryption: File encryption is the science of writing the contents of a file in a secret code. Your encryption program should work like a filter reading the contents of one file, modifying each character in the input file into a code, and then writing the coded characters out to a second file. The second file will be a version of the first file but written in a secret code. In Notepad or something similar, you will create a file with text in it. It should be several lines long. Your program should read the file character by character and make some change to the character before writing that character to a second new encrypted file. See program 13-8 to see how to read and write one character at a time. You may come up with an encryption technique of your own or use something simple like adding 10 to the ASCII code of each character in the file before it is written to the second file.If a file already exists what happens to it if you try to open it as an output file (using the 'w' mode)?
- 2. This involves a .txt file with one thousand rows of random numbers (between 1-1000) Using Python, create a program to perform this task, with 3 methods of doing this: Read the entire contents of file1.txt into memory, then process each row. Read one row of file1.txt at a time and process it. Split file1.txt into 2 parts and read each part into memory separately.AaBbCcDd AaBbCc I U abe x, I Normal TNo Spac Font Paragraph ... 2 3 5 6 Write a program that asks the user for the names of two files. The first file should be opened for reading and the second file should be opened for writing. the program should read the contents of the first file, change all characters to lowercase, and store the results in the second file. The second file will be a copy of the first file, except that all the characters will be lowercase. Use Notepad or another text editor to create a simple file that can be used to test the program Required Submission: 1. Java Program 2. Text file created using Notepad 3. Exception Handling (Especially when reading File not found, End of the file, etc) 2. Sample Output (taken using Screenshot) on a Word documentTo create a new file and return a stream that can be used to process the file, use the: a.Create method of class File b.CreateFile method of class File c.New method of class File d.NewFile method of class File
