It is necessary to define the functions that are part of the I stream
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It is necessary to define the functions that are part of the I stream.
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- The functions that belong to the I stream should be defined.To use stream manipulators, which header file must you include?Programming Exercises As mentioned before, you will be answering all the following questions in one single python file and the person running your file will be prompted to choose which one of these programming exercises they wish to run. A good approach to design this file is to have a main function for each of the questions (main1, main2, etc.). These functions will be called when the user chooses each of the questions (if the user chooses 1, mainl will be executed and so on). You can call different functions in each of your mains if you wish. Below are the programming exercises. The questions are in all levels, some of them are very easy, and some are more challenging. Start with the questions that are easier for you and then try to answer as many questions as possible. For grading, we will be looking at the codes, so even if you have not completely answered a question, make sure you still include your code in the submitted file as you may receive a partial grade for it. Note: all…
- (Data processing) Write a C++ program that allows the user to enter the following information from the keyboard for each student in a class (up to 20 students): Name Exam 1 Grade Exam 2 Grade Homework Grade Final Exam Grade For each student, your program should first calculate a final grade, using this formula: FinalGrade=0.20Exam1+0.20Exam2+0.35Homework+0.25FinalExam Then assign a letter grade on the basis of 90100=A,8089=B,7079=C,6069=D, and less than 60=F . All the information, including the final grade and the letter grade, should then be displayed and written to a file.*Code in Python The Payroll Department keeps a list of employee information for each pay period in a text file. The format of each line of the file is the following: <last name> <hours worked> <hourly wage> Write a program that inputs a filename from the user and prints to the terminal a report of the wages paid to the employees for the given period. The report should be in tabular format with the appropriate header. Each line should contain: An employee’s name The hours worked The wages paid for that period. An example of the program input and output is shown below: Enter the file name: data.txt Name Hours Total Pay Lambert 34 357.00 Osborne 22 137.50 Giacome tti 5 503.50This Python Lab 9 Lab: Write a file copying program. The program asks for the name of the file to copy from (source file) and the name of the file to copy to (destination file). The program opens the source file for reading and the destination file for writing. As the program reads each line from the source file and it writes the line to the destination file. When every line from the source file has been written to the destination file, it close both files and print “Copy is successful.” In the sample run, “add.py” is the source file and “add-copy.py” is the destination file. Note that both “add-copy.py” is identical to “add.py” because “add-copy.py” is a copy of “add.py”. Sample run: Enter file to copy from: add.py Enter file to copy to : add-copy.py Copy is successful. Source file: add.py print("This program adds two numbers") a = int(input("Enter first number: ")) b = int(input("Enter second number: ")) print(f"{a} + {b} = {a+b}") Destination file:…
- Include flowchart for this code //C++ Code #include<iostream>#include<fstream>using namespace std;/*Create a global variable of type ofstream for the output file*/ofstream outfile; /** This function asks the user for the number of employees in the company. This value should be returned as an int. The function accepts no arguments (No parameter/input).*/int NumOfEmployees();/** accepts an argument of type int for the number of employees in the company and returns the total of missed days as an int. This function should do the following:Asks the user to enter the following information for each employee:The employee number (ID) (Assume the employee number is 4 digits or fewer, but don't validate it).The number of days that employee missed during the past year.Writes each employee number (ID) and the number of days missed to the output file */int TotDaysAbsent(int numberOfEmployees);/* calculates the average number of days absent.The function takes two arguments:the number of…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…Code done in C Write a piece of code in a function called password that creates a file with a random password (it can be a number). In another function called check_password, the function must ask the user to input the password to login and it should match the password in the file. If it doesn't, it should keep asking the user to keep inputting the right password. Finally, just by passing in the two functions into the main, that would be fine. Ex. int main() { ....password(....); ....check_password(....); }
- flowchrt for the code below //C++ Code #include<iostream>#include<fstream>using namespace std;/*Create a global variable of type ofstream for the output file*/ofstream outfile; /** This function asks the user for the number of employees in the company. This value should be returned as an int. The function accepts no arguments (No parameter/input).*/int NumOfEmployees();/** accepts an argument of type int for the number of employees in the company and returns the total of missed days as an int. This function should do the following:Asks the user to enter the following information for each employee:The employee number (ID) (Assume the employee number is 4 digits or fewer, but don't validate it).The number of days that employee missed during the past year.Writes each employee number (ID) and the number of days missed to the output file */int TotDaysAbsent(int numberOfEmployees);/* calculates the average number of days absent.The function takes two arguments:the number of…DCP 5101 PROGRAM DESIGN QUESTION 2 Write a complete C program that creates a new file called audio.txt for both writing and reading. The program prompts user to enter a series of inputs to calculate the audio size. User inputs and audio size are then written into file audio.txt. In main(): Open a new file called audio.txt for writing and reading. If the file can't be opened, display error message "File could not be opened. Program aborted." And quit the program. Using a do-while loop: o Prompt user to enter audio channel (either 1 for mono or 2 for stereo), sampling rate, time, and bit depth. o Calculate audio size. ● ● ● O O ==== From the beginning of file audio.txt, read and display all data from each audio record until the end of file. Close file audio.txt before program ends. SAMPLE OUTPUT 2 1 ■ Formula: audio channel x sampling rate x time x (bit depth / 8) Write audio channel, sampling rate, time, bit depth and audio size into file audio.txt. Prompt the user whether to continue…True/False 9. Variables defined in a function are local to that function.