Python Programming Practice Test 9

1. Which of the following statements are true?

2. Which of the following functions returns a dictionary mapping group names to group numbers?

3. Which of the following will result in an error?

4. What is the difference between r+ and w+ modes?

5. What will be the output of the following Python code?

sentence = 'horses are fast'
regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)')
matched = re.search(regex, sentence)
print(matched.group(2))

6. What is the correct syntax of open() function?

7. What will be the output of the following Python code?

fo = open("foo.txt", "rw+")
print "Name of the file: ", fo.name

# Assuming file has following 5 lines
# This is 1st line
# This is 2nd line
# This is 3rd line
# This is 4th line
# This is 5th line

for index in range(5):
   line = fo.next()
   print "Line No %d - %s" % (index, line)

# Close opened file
fo.close()

8. To read two characters from a file object infile, we use ____________

9. The character Dot (that is, ‘.’) in the default mode, matches any character other than _____________

10. What will be the output of the following Python code?

re.match('sp(.*)am', 'spam')