python questions

QUESTION $1$

A$($n$)\_\_\_\_\_\_\_\_$ block includes one or more statements that can potentially raise an exception.

$10$ points

QUESTION $2$

What is the process of retrieving data from a file called?

reading input

getting data

reading data

retrieving data

$10$ points

QUESTION $3$

What is one important advantage of using a with statement to access files?

After the with suite, the file or files referenced in the with header are automatically closed.

The with statement provides automatic text filtering and reduces processing time.

The with statement will catch when a file is not present.

The with statement provides options for processing data records.

$10$ points

QUESTION $4$

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

True

False

$5$ points

QUESTION $5$

Which mode specifier will open a file but not let you change the file or write to it$?$

$\text{'}$r$\text{'}$

$\text{'}$a$\text{'}$

$\text{'}$e$\text{'}$

$\text{'}$w$\text{'}$

$10$ points

QUESTION $6$

An exception handler is a piece of code that is written using the try$/$except statement.

True

False

$5$ points

QUESTION $7$

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

True

False

$5$ points

QUESTION $8$

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

read the file

open the file

process the file

close the file

$10$ points

QUESTION $9$

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

True

False

$5$ points

QUESTION $10$

Given that the customer file references a file object, and the file was opened using the $\text{'}$w$\text{'}$ mode specifier, how would you write the string 'Mary Smith' to the file?

customer.write$(\text{'}$Mary Smith'$)$

customer.write$(\text{'}$w$\text{'},$ 'Mary Smith'$)$

customer.input$(\text{'}$Mary Smith'$)$

customer file.write$(\text{'}$Mary Smith'$)$

$10$ points

QUESTION $11$

Which method could be used to convert a numeric value to a string?

value

chr

num

str

$10$ points

QUESTION $12$

Which of the following is the correct way to open a file named users.txt to write to it$?$

outfile $=$ open$(\text{'}$users$.$txt$\text{'})$

outfile $=$ write$(\text{'}$users$.$txt$\text{'},\text{'}$w$\text{'})$

outfile $=$ open$(\text{'}$w$\text{'},$ users.txt$)$

outfile $=$ open$(\text{'}$users$.$txt$\text{'},\text{'}$w$\text{'})$