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Exam 7: files and Exceptions

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Question 1

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

A) sequential
B) random
C) numbered
D) text

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Question 2

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Closing a file disconnects the communication between the file and the program.

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Question 3

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What statement can be used to handle some of the run-time errors in a program?

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

The ZeroDivisionError exception is raised when the program attempts to perform a division by zero.

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

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

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

Strings can be written directly to a file with the write method, but numbers must be converted to strings before they can be written.

Which method could be used to strip specific characters from the end of a string?

The term _______________ file is used to describe a file to which data is written.

Which method will return an empty string when it has attempted to read beyond the end of a file?

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

A(n) _______________ gives information regarding the line number(s) that caused an exception.

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

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

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

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

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

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?