Starting Out with Python (4th Edition)
4th Edition
ISBN: 9780134444321
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 6, Problem 4TF
Program Plan Intro
Input file:
A file from which the data are read is called as the “input file”. When a program gets input from the file, then it is called as the input file. The “input file” must be accessed using the file name.
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Chapter 6 Solutions
Starting Out with Python (4th Edition)
Ch. 6.1 - What is an output file?Ch. 6.1 - What is an input file?Ch. 6.1 - What three steps must be taken by a program when...Ch. 6.1 - Prob. 4CPCh. 6.1 - Prob. 5CPCh. 6.1 - When writing a program that performs an operation...Ch. 6.1 - If a file already exists, what happens to it if...Ch. 6.1 - What is the purpose of opening a file?Ch. 6.1 - What is the purpose of closing a file?Ch. 6.1 - Prob. 10CP
Ch. 6.1 - In what mode do you open a file if you want to...Ch. 6.2 - Write a short program that uses a for loop to...Ch. 6.2 - Prob. 13CPCh. 6.2 - Assume the file data.txt exists and contains...Ch. 6.2 - Prob. 15CPCh. 6.3 - Prob. 16CPCh. 6.3 - Prob. 17CPCh. 6.3 - Prob. 18CPCh. 6.4 - Prob. 19CPCh. 6.4 - Prob. 20CPCh. 6.4 - What type of exception does a program raise when...Ch. 6.4 - Prob. 22CPCh. 6 - A file that data is written to is known as...Ch. 6 - A file that data is written to is known as...Ch. 6 - Before a file can be used by a program, it must be...Ch. 6 - When a program is finished using a file, it should...Ch. 6 - The contents of this type of file can be viewed in...Ch. 6 - This type of file contains data that has not been...Ch. 6 - When working with this type of file, you access...Ch. 6 - When working with this type of file, you can jump...Ch. 6 - This is a small holding section" in memory that...Ch. 6 - This marks the location of the next item that will...Ch. 6 - When a file is opened in this mode, data will be...Ch. 6 - This is a single piece of data within a record. a....Ch. 6 - Prob. 13MCCh. 6 - Prob. 14MCCh. 6 - Prob. 15MCCh. 6 - When working with a sequential access file, you...Ch. 6 - When you open a file that file already exists on...Ch. 6 - The process of opening a file is only necessary...Ch. 6 - Prob. 4TFCh. 6 - When a file that already exists is opened in...Ch. 6 - Prob. 6TFCh. 6 - You can have more than one except clause in a...Ch. 6 - Prob. 8TFCh. 6 - Prob. 9TFCh. 6 - Describe the three steps that must be taken when a...Ch. 6 - Why should a program close a file when it's...Ch. 6 - What is a read position? where is the read...Ch. 6 - If an existing file is opened in append mode, What...Ch. 6 - If a file does not exist and a program attempts to...Ch. 6 - Write a program that opens an output file with the...Ch. 6 - Write a program that opens the my_name.txt file...Ch. 6 - Write code that does the following: opens an...Ch. 6 - Prob. 4AWCh. 6 - Modify the code that you wrote in problem 4 so it...Ch. 6 - Write code that opens an output file with the...Ch. 6 - A file exists on the disk named students. txt. The...Ch. 6 - A file exists on the disk named students txt. The...Ch. 6 - Prob. 9AWCh. 6 - Prob. 10AWCh. 6 - File Display Assume a file containing a series of...Ch. 6 - File Head Display Write a program that asks the...Ch. 6 - Line Numbers Write a program that asks the user...Ch. 6 - Item Counter Assume a file containing a series of...Ch. 6 - Sum of Numbers Assume a file containing a series...Ch. 6 - Average of Numbers Assume a file containing a...Ch. 6 - Random Number File Writer Write a program that...Ch. 6 - Random Number File Reader This exercise assumes...Ch. 6 - Prob. 9PECh. 6 - Golf Scores The Springfork Amateur Golf Club has a...Ch. 6 - Personal Web Page Generator Write a program that...Ch. 6 - Average Steps Taken A Personal Fitness Tracker is...
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- (Data processing) a. Write a C++ program that opens a file and displays its contents with line numbers. That is, the program should print the number 1 before displaying the first line, print the number 2 before displaying the second line, and so on for each line in the file. b. Modify the program written in Exercise 6a to list the file’s contents on the printer assigned to your computer.arrow_forwardWhen an input file is opened, what is its read position initially set to?arrow_forwardThe read position advances forwards, towards the end of the file, as things are read from it.arrow_forward
- When an input file is opened, its read position is initially set to the first item in the file. True or Falsearrow_forwardDisc Scheduling FCFS, SCAN or C-SCAN Write a program that will calculate the total head movement for either one of this algorithms (FCFS, SCAN or C-SCAN) for all test cases Your input file starts with the case number, number of tracks, starting track, and the sequence of track numbers it will be accessing//input fileCase 1, 199, 53, 98, 183, 37, 122, 14, 124, 65, 67Case 2, 199, 53, 98, 183, 37, 122, 14, 124, 65, 68Case 3, 199, 53, 98, 183, 37, 122, 14, 124, 65, 69Case 4, 199, 53, 98, 183, 37, 122, 14, 124, 65, 70 Remember the track starts at 0 A sample output file will look like the following. FCFS algorithmCase 1, 640Case 2, 641Case 3, 642Case 4, 643arrow_forwardTrue or FalseAs items are read from the file, the read position moves forward, toward the end of the file.arrow_forward
- Word List File Writer: Write a program that asks the user how many words they would like to write to a file, andthen asks the user to enter that many words, one at a time. The words should be writtento a file (in python)arrow_forwardWhat is a file’s read position? Initially, where is the read position when an input file is opened?arrow_forwardWhat type of file stream object do you create if you want to write data to a file?arrow_forward
- Word List File WriterWrite a program that asks the user how many words they would like to write to a file, andthen asks the user to enter that many words, one at a time. The words should be writtento a file. (in phyton)arrow_forwardA file from which data is read is referred to as a file.a. datab. writec. readd. inputarrow_forwardThe read position advances towards the end of the file when items from the file are read. the report True or False:arrow_forward
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