The python function file_first_chars takes one parameter, fname, the name of a text file, and returns a string made up of the first character from each line in the file.  You may assume there are no blank lines in the file. Hint: Use a for loop to iterate over the lines of the file and accumulate the string of first characters.

The function fopen return NULL when: An error occurred while opening the file. An error occurred while reading the file. An error occurred while closing the file. An error occurred while compiling the file.

Range for loop should be used even the block code needs to access index.  Group of answer choices True False

In c++ write a code that tells a user to enter a filename and read that text file line by line.

Python Pro 1) Write a python 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

in python

please save number random and file and when print on monitor read from file and every num in single line

*Code in Python Write a script named dif.py. This script should prompt the user for the names of two text files and compare the contents of the two files to see if they are the same. If they are, the script should simply output "Yes". If they are not, the script should output "No", followed by the first lines of each file that differ from each other. The input loop should read and compare lines from each file, including whitespace and punctuation. The loop should break as soon as a pair of different lines is found. Below are examples of the program input and output along with relevant files: one.txt: This is text. abc 123 sameAsOne.txt: This is text. abc 123 differentFromOne.txt This is text. xyz 123 Comparing files that are the same: Enter the first file name: one.txt Enter the second file name: sameAsOne.txt Yes Comparing files that are different: Enter the first file name: one.txt Enter the second file name: differentFromOne.txt No abc xyz

What does the following python code do? f = open("sample.txt", "a") Choose all that apply.    Select 3 correct answer(s) Question 15 options:   opens a file called sample.txt for reading   reads the file called sample.txt starting from the top   writes "a" to the file called sample.txt    opens a file called sample.txt for appending   If the file called sample.txt exists, it writes at the bottom of the file   closes a file called sample.txt   if the file sample.txt exists, deletes everything in it   if the file sample.txt does not exist, it creates the file and opens it for writing

python function that creates and saves data in a file. the saved data represents exam grades. in the function , you will create n random numbers in the range 1-100, where n is the number of students. The function can be called as follows: createFile(filename, n)    main function, in which the user inputs the file name and the number of students, then the main calls function createfile. the main should preform validation for n (should be > 0), and the filename(should end with .txt)