Starting Out With C++: Early Objects (10th Edition)
10th Edition
ISBN: 9780135235003
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 5, Problem 37RQE
Complete the
ofstream outputFile;
outputFile.open("numbers.txt");
// YOU WRITE THIS CODE.
outputFile.close();
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Body Mass Index
Write a program that reads names, weights, and heights from bmi.dat (provided with starter code; do not change the file name). Use the information to calculate and displays a person’s body mass index (BMI). The BMI is often used to determine whether a person with a sedentary lifestyle is overweight or underweight for his or her height. A person’s BMI is calculated with the following formula:
BMI = weight × 703 / height2
where weight is measured in pounds and height is measured in inches.
The file is in the format
name weightInKG heightInCM
You will read the name, weight and height for 4 people from the file, and you will need to convert the weights in the file to pounds (note that 1 kilogram = 2.2 pounds) and the heights to inches (2.54 cm = 1 inch).
The program should display the person's name along with the calculated BMI and a message indicating whether the person has optimal weight, is underweight, or is overweight.
Your output should look like
A person’s weight…
Range for loop should be used even the block code needs to access index.
Group of answer choices
True
False
Finish this program from the code posted below! Note: There should be two files Main.py and Contact.py
You will implement the edit_contact function. In the function, do the following:
Ask the user to enter the name of the contact they want to edit.
If the contact exists, in a loop, give them the following choices
Remove one of the phone numbers from that Contact.
Add a phone number to that Contact.
Change that Contact's email address.
Change that Contact's name (if they do this, you will have to remove the key/value pair from the dictionary and re-add it, since the key is the contact’s name. Use the dictionary's pop method for this!)
Stop editing the Contact
Once the user is finished making changes to the Contact, the function should return.
Code:from Contact import Contactimport pickledef load_contacts():""" Unpickle the data on mydata.dat and save it to a dictionaryReturn an empty dictionary if the file doesn't exist """try:with open("mydata.dat", 'rb') as file:return…
Chapter 5 Solutions
Starting Out With C++: Early Objects (10th Edition)
Ch. 5.1 - How many lines will each of the following while...Ch. 5.1 - Prob. 5.2CPCh. 5.3 - What will each of the following program segments...Ch. 5.6 - In the following program segment, which variable...Ch. 5.6 - Find four errors in the following code that is...Ch. 5.6 - Write a sentinel-controlled while loop that...Ch. 5.7 - Prob. 5.7CPCh. 5.7 - Write a program segment with a do-while loop that...Ch. 5.7 - Revise your answer to Question 5.8 to use the...Ch. 5.8 - What three expressions appear inside the...
Ch. 5.8 - You want to write a for loop that displays I love...Ch. 5.8 - Prob. 5.12CPCh. 5.8 - Write a for loop that displays your name 10 times.Ch. 5.8 - Write a for loop that displays all of the odd...Ch. 5.8 - Write a for loop that displays every fifth number,...Ch. 5.8 - Write a for loop that sums up the squares of the...Ch. 5.8 - Write a for loop that sums up the squares of the...Ch. 5.8 - Write a for loop that repeats seven times, asking...Ch. 5.8 - Write a for loop that calculates the total of the...Ch. 5.11 - Which loop (while, do-while, or for) is best to...Ch. 5.11 - How many total stars will be displayed by each of...Ch. 5.11 - What will the following program segment display?...Ch. 5.12 - Prob. 5.24CPCh. 5.12 - What header file must be included in a program to...Ch. 5.12 - What five steps must be taken when a file is used...Ch. 5.12 - What is the difference between a text file and a...Ch. 5.12 - Prob. 5.28CPCh. 5.12 - What type of file stream object do you create if...Ch. 5.12 - What type of file stream object do you create if...Ch. 5.12 - If dataFi1e is an of stream object associated with...Ch. 5.12 - If dataFile is an ifstream object associated with...Ch. 5.12 - Assume you have an output file named numbers.txt...Ch. 5 - To _______ a value means to increase it by one.Ch. 5 - To _______ a value means to decrease it by one.Ch. 5 - Prob. 3RQECh. 5 - Prob. 4RQECh. 5 - The statement or block that is repeated is known...Ch. 5 - Each repetition of a loop is known as a(n)...Ch. 5 - A loop that evaluates its test expression before...Ch. 5 - A loop that evaluates its test expression after...Ch. 5 - A loop that does not have a way of stopping is...Ch. 5 - A(n) ______ is a variable that counts the number...Ch. 5 - Prob. 11RQECh. 5 - A(n) ________ is a variable that is initialized to...Ch. 5 - A(n) ______ is a special value that marks the end...Ch. 5 - The ________ loop is ideal for situations that...Ch. 5 - The _____ loop always iterates at least once.Ch. 5 - The _______and ______ loops will not iterate at...Ch. 5 - Inside the for loops parentheses, the first...Ch. 5 - A loop that is inside another is called a(n)...Ch. 5 - The _________ statement causes a loop to terminate...Ch. 5 - The _____ statement causes a loop to skip the...Ch. 5 - What header file do you need to include in a...Ch. 5 - What data type do you use when you want to create...Ch. 5 - What happens if you open an output file and the...Ch. 5 - What data type do you use when you want to create...Ch. 5 - What is a files read position? Where is the read...Ch. 5 - What should a program do when it is finished using...Ch. 5 - Write a do-while loop that asks the user to enter...Ch. 5 - Write a for loop that displays the following set...Ch. 5 - Write a loop that asks the user to enter a number....Ch. 5 - Write a nested loop that displays the following...Ch. 5 - Rewrite the following code, converting the while...Ch. 5 - Rewrite the following code, replacing the do-while...Ch. 5 - Convert the following whi1e loop to a for loop:...Ch. 5 - Convert the following for loop to a while loop:...Ch. 5 - Complete the program segment below to write the...Ch. 5 - Complete the following program segment that reads...Ch. 5 - What will each of the following program segments...Ch. 5 - int x = 1 ; while (x 10) x++; cout x;Ch. 5 - Each of the program segments in this section has...Ch. 5 - A) // This code should use a loop to raise a...Ch. 5 - A) // This code should display the sum of two...Ch. 5 - Prob. 46RQECh. 5 - Characters for the ASCII Codes Write a program...Ch. 5 - Sum of Numbers Write a program that asks the user...Ch. 5 - Distance Traveled The distance a vehicle travels...Ch. 5 - Celsius to Fahrenheit Table In one of the Chapter...Ch. 5 - Speed Conversion Chart Write a program that...Ch. 5 - Ocean Levels Assuming the level of the Earths...Ch. 5 - Circle Areas The formula to compute the area of a...Ch. 5 - Pennies for Pay Write a program that calculates...Ch. 5 - Weight Loss If moderately active persons cut their...Ch. 5 - Calories Burned Running on a particular treadmill,...Ch. 5 - Membership Fees Increase A country club, which...Ch. 5 - Random Number Guessing Game Write a program that...Ch. 5 - Random Number Guessing Game Enhancement Enhance...Ch. 5 - The Greatest and Least of These Write a program...Ch. 5 - Student Line-Up A teacher has asked all her...Ch. 5 - Rate of Inflation The annual rate of inflation is...Ch. 5 - Population Write a program that will predict the...Ch. 5 - Math Tutor Version 3 This program started in...Ch. 5 - Hotel Suites Occupancy Write a program that...Ch. 5 - Rectangle Display Write a program that asks the...Ch. 5 - Diamond Display Write a program that uses nested...Ch. 5 - Triangle Display Write a program that uses nested...Ch. 5 - Arrowhead Display Write a program that uses nested...Ch. 5 - Sales Bar Chart Write a program that asks the user...Ch. 5 - Savings Account Balance Write a program that...Ch. 5 - Using FilesTotal and Average Rainfall Write a...Ch. 5 - Using FilesPopulation Bar Chart Write a program...Ch. 5 - Using FilesStudent Line Up Modify the Student...Ch. 5 - Using FilesSavings Account Balance Modification...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What makes Python an interpreted programming language?
Computer Science: An Overview (12th Edition)
A file exists on the disk named students. txt. The file contains several records, and each record contains two ...
Starting Out with Python (4th Edition)
What is the general problem with static scoping?
Concepts of Programming Languages (11th Edition)
Consider the partially filled array a from Self-Test Question 18. Write some code that will place the number 42...
Java: An Introduction to Problem Solving and Programming (8th Edition)
What is the difference between a (binary) operator and a function?
Problem Solving with C++ (10th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Never modify the value of a loop index within the body of the loop. O True O Falsearrow_forwardProblem: Write a Python program that reads from an input file named employees.txt some employee information and produces a salaries report on screen. The input file employees.txt has a number of data lines. Each data line in the input file contains information about one employee including: first name, last name, job code (an integer between 1 and 4), and the number of days worked. The following is an example of what the input file employees.txt can contain: Ali Al-Harthi 22 Laila Al-Busaidi 4 25 Salim Al-Hajri Badria Al-Sinani 2 21s 19 Abir Al-Hinai 1 15 Your program should produce a salaries report on screen using the format shown below. Enter input file name: employee.txt Name Job Code Days Worked Salary (OMR) Ali Al-Harthi 3 22 660.000 Laila Al-Busaidi 4 25 637.500 Abir Al-Hinai 15 600.000 Number of faulty records = 2 Number of valid records = 3 Average salary = 632.500 The salary of each employee is equal to the number of days worked multiplied by the daily pay rate. The daily pay…arrow_forwardPart A: While Loop ProgramWrite a program that detects Fibonacci numbers. Prompt the user to input a positive integer. Upon input, the program will determine if the number is either a Fibonacci number or not. If a Fibonacci number, then the order of the number in the sequence must be output. If not a Fibonacci number, then the Fibonacci numbers above and below it (including their order in the sequence) must be output. Once it finishes, the program will prompt the user for a new number. The program will exit if the user enters a non-integer number or string (such as “quit”) instead of an integer. Use the sample output file, fib-seq-det.txt, to view a sample session For both the above problems, the first four numbers of the Fibonacci sequence are 0, 1, 1, and 2. Part A must use While loops only. Invalid (negative) numbers should be flagged and handled. Output should be like: Welcome to the Fibonacci Sequence Detector Please input a number for analysis >> 00 is a…arrow_forward
- Review the following code, find the error in the code: contents 'thefile.txt', 'r') infile.read () infile contents = infile.close() print (contents)arrow_forwardFile Tools View Practical Quiz (Protected Vie PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editin Question 1 Write a python program using for loop which takes from user a choice number. If the choice is less than 10 and then print all the even numbers from 1 to 20 and if the choice is more than 10 print all the odd numbers from 6 to 30.arrow_forwardBinary – Decimal – Hex Converter: Create a program that will take any number in either decimal, binary or hexadecimal and convert it to the remaining two of the three given numeral systems. Use the process outlined in the slides to determine the conversion. You cannot use the int() function to convert the numbers.arrow_forward
- Write code that does the following: Opens a file named NumberList.txt, uses a loop to write the numbers 1 through 100 to the file, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file and displays them, and then closes the file. Opens the NumberList.txt file and reads all of the numbers from the file, calculate the sum of these numbers and displays their total. Opens a file named NumberList.txt for writing, but does not erase the contents of the file if it already exists.arrow_forwardChapter 5 Loops and Files 6. Distance Traveled The distance a vehicle travels can be calculated as follows: distance = speed time For example, if a train travels 40 miles per hour for 3 hours, the distance traveled is 120 miles. Write a program that asks the user for the speed of a vehicle (in miles per hour) and how many hours it has traveled. The program should then use a loop to display the distance the vehicle has traveled for each hour of that time period. Here is an example of the output: What is the speed of the vehicle in mph? 40 How many hours has it traveled? 3 Hour Distance Traveled 40 80 3. 120 Iuput Validation: Do not accept a negative number for speed and do not accept any value less than 1 for time traveled.arrow_forwardWe use For loop instead of a while loop when we know exactly how many times you want to loop through a block of code. True Falsearrow_forward
- 3. Write a for loop that display the following set of number:0, 10, 20, 30, 40, 50, 60, 70, 60, 80....200USE JAVA PROGRAMMINGarrow_forwardplease do not use java Your program must use the following functions: printHeader(…): prints the two lines header of the table shown in the sampleoutput getData(…): receives a string representing line of text read from file. Itvalidates and returns name, job code and days worked, and a Boolean value ofTrue of the line contains valid data or False if the line contains faulty data. computeSalary(…):receives the job code and days worked and computes and returnsthe employee salary main():Opens input file for reading, reads data from file, calls variousfunctions and prints resultsarrow_forwardQuestion#2. The distance a vehicle travels can be calculated as fallout: Distance = Speed * Time For example, if a train travels 60 miles-per-hour for three hours, the distance [raveled is 120 miles. Write a program that asks for the speed of a vehicle (in miles-per-hour) and the number of hours it has traveled. It should use a loop to display the distance a vehicle has traveled for each hour of a time period specified by the user. For example, if a vehicle is traveling at 40 mph far a three-hour time period, it should display a report similar to the one chat follows: Hour Distance Traveled 1 90 2 100 3 150 Input Validation: Do not accept a negative number for speed and do not accept any value les than 1 for time traveled.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage Learning
Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
Programming with Microsoft Visual Basic 2017
Computer Science
ISBN:9781337102124
Author:Diane Zak
Publisher:Cengage Learning
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
C - File I/O; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=cEfuwpbGi1k;License: Standard YouTube License, CC-BY
file handling functions in c | fprintf, fscanf, fread, fwrite |; Author: Education 4u;https://www.youtube.com/watch?v=aqeXS1bJihA;License: Standard Youtube License