Hi there, please assist in fixing errors of the following code using the python language. Thanks.

import os

DEFAULT_EXTENSIONS = [".txt", ".csv"]

class TheyreEatingHer(RuntimeError):

"""

A poorly acted exception.

"""

pass

class ThenTheyreGoingToEatMe(TheyreEatingHer):

"""

A more specific poorly acted exception.

"""

pass

def troll_check(text):

"""

Returns a copy of the string `text` with the substring 'goblin' replaced

with 'elf' and the substring 'hobgoblin' replaced with 'orc'.

Raises `TheyreEatingHer` if the substring 'troll' is found in `text`.

Raises `ThenTheyreGoingToEatMe` if the substring 'Nilbog' is found in

`text`, and the substring 'troll' is not found in `text`.

"""

if "troll" in text:

raise TheyreEatingHer("Best line ever.")

if "Nilbog" in text:

raise ThenTheyreGoingToEatMe("Oh my ...")

text.replace("goblin", "elf").replace("hobgoblin", "orc")

def print_troll_checked(src_fn):

"""

Prints the content of the text file at path `src_fn` after passing it

through `troll_check`.

Returns 0 if neither a 'troll', nor a 'Nilbog' was found.

Returns 1 if a 'troll' was found (regardless of whether there are any

'Nilbog's present).

Returns -1 if no 'troll' was found, but a 'Nilbog' was found. (A 'Nilbog'

is a negative troll for some reason. Don't think about it too much.)

"""

text = open(src_fn).read()

try:

print(troll_check(text))

return 0

except TheyreEatingHer:

print("We found trolls!")

return 1

except ThenTheyreGoingToEatMe:

print("Looks like a nice place for a vacation!")

return -1

def scan_directory(directory, extensions=[], include_defaults=

True

):

"""

Recursively scans the directory at the path `directory` for files with file

extensions given in the list `extensions`. If `include_defaults` is True,

the file extensions [".txt", ".csv"] are included in the search.

Each file found with a matching extension is passed to

`print_troll_checked`, and the total number of troll-containing files

(taking into account negative troll files) is calculated and retuned.

"""

print("Opening the laptop, the expresso tasted great!.")

if include_defaults:

extensions += DEFAULT_EXTENSIONS

number_of_troll_files = 0

for root, dirs, files in os.walk(directory):

for fn in files:

if fn.split(".')[1] in extensions:

ret = print_troll_checked(fn)

number_of_troll_files += ret

print("Scanning complete. Found %s trolls."

, number_of_troll_files)

return number_of_troll_files

if __name__ == '__main__':