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Exam 6: Files and Exceptions

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Question 1

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If a file with the specified name already exists when the file is opened, and the file is opened in 'w' mode, then an alert will appear on the screen.

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Question 2

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Which of these is associated with a specific file and provides a way for the program to work with that file?

A) Filename
B) Extension
C) File object
D) File variable

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Question 3

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When a program needs to save data for later use, it writes the data in a(n) _______________.

Assume that the customer file references a file object, and the file was opened using the 'w' mode specifier. How would you write the string 'Mary Smith' to the file?

A(n) _____ access file is also known as a direct access file.

A(n) _______________ includes one or more statements that can potentially raise an exception.

The term _______________ file is used to describe a file from which the program gets data.

Which mode specifier will erase the contents of a file if it already exists and create it if it does not exist?

What do you call the process of retrieving data from a file?

A filename _______________ is a short sequence of characters that appear at the end of a filename preceded by a period.

Python allows the programmer to work with text and number files.

A(n) _______________ file contains data that has not been converted to text.

What happens when a piece of data is written to a file?

Which step creates a connection between a file and a program?

What type of file access jumps directly to any piece of data in a file without reading the data that came before it?

It is possible to create a while loop that determines when the end of a file has been reached.

When a piece of data is read from a file, it is copied from the file into the program.

A(n) _______________ file contains data that has been encoded as text, using a scheme such as ASCII.

A(n) _______________ access file retrieves data from the beginning of the file to the end of the file.

In Python, there is nothing that can be done if the program tries to access a file to read that does not exist.