Test7

What is the default behavior of open('file.txt')?

• Open for reading

• Create new file

• Open in binary mode

• Append to file

What happens if you try to read a file opened with 'w' mode?

• Reads normally

• Raises UnsupportedOperation

• Returns empty string

• Appends content

Which of the following correctly opens a .csv file for reading with csv.reader?

• open('data.csv')

• open('data.csv', 'r')

• csv.reader('data.csv')

• csv.reader(open('data.csv'))

In csv.reader, what is the type of each row returned in the loop?

• List

• Tuple

• String

• Dictionary

What happens if csv.writer is used with a file not opened in text mode?

• Works fine

• Raises an error

• Writes binary output

• Automatically converts mode

What is required to draw a rectangle in pygame?

• pygame.draw.rect(screen, color, rect)

• pygame.rectangle(...)

• pygame.render.rect(...)

• ygame.screen.draw(...)

Which function updates the screen in pygame?

• pygame.display.show()

• pygame.update()

• pygame.display.update()

• pygame.draw()

Which of the following are valid pygame event types?

• KEYDOWN

• QUIT

• EXIT

• MOUSEMOVE

In matplotlib, what does plt.plot([1, 2], [3, 4]) do?

• Plots a bar chart

• Plots line from (1,3) to (2,4)

• Shows a scatter plot

• Raises an exception

What function is used to label the x-axis in matplotlib?

• plt.xlabel()

• plt.set_xlabel()

• plt.labelx()

• plt.xtitle()