Python-Week7

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.

• True

• False

The ZeroDivisionError exception is raised when the program attempts to perform the calculation x/y if y = 0.

• True

• False

Which of the following describes what happens when a piece of data is written to a file?

• The data is copied from a variable in RAM to a file.

• The data is copied from the program to a file.

• The data is copied from a file object to a file.

• The data is copied from a variable in the program to a file.

Which type of file access jumps directly to a piece of data in the file without having to read all the data that comes before it?

• numbered

• sequential

• text

• random

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

• r

• w

• a

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

• strip

• lstrip

• rstrip

• remove

Which statement can be used to handle some of the runtime errors in a program?

• an exception handler statement

• a try statement

• a try/except statement

• an exception statement

Given 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?

• customer.input('Mary Smith')

• customer.write('Mary Smith')

• customer file.write('Mary Smith')

• customer.write('w', 'Mary Smith')

When a file has been opened using the 'r' mode specifier, which method will return the file's contents as a string?

• get

• write

• read

• input

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

• outfile = open('users.txt', 'w')

• outfile = write('users.txt', 'w')

• outfile = open('w', users.txt)

• outfile = open('users.txt')