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New to python. Here is my python 3 code. It passed all the tests.

import re

num = int(input())

for i in range(num):
    line = input()
    line = re.sub('[^\w\s]', '', line)
    tokens = line.lower().split(' ')
    print(tokens.count('a'))
    print(tokens.count('an'))
    print(tokens.count('the'))
    pattern1 = '\d{2}/\d{2}/\d{4}'
    match1 = re.findall(pattern1, line)
    pattern2 = '\d{2}/\d{2}/\d{2}'
    match2 = re.findall(pattern2, line)
    months = '(January|Feburary|March|April|May|June|July|August|September|October|November|December|Jan|Feb|Mar|Apr|May' \
         '|Jun|Jul|Aug|Sep|Oct|Nov|Dec)'
    days = '(0?[1-9]|[1-2][0-9]|30|31|1st|2nd|3rd|[4-9]th|[1-2][0-9]th|30th|31st|21st|22nd)'
    pattern3 = days + '\s' + months + '(\s)(\d{4}|\d{2})'
    pattern4 = months + '\s' + days + '(\s)(\d{4}|\d{2})'

	match3 = re.findall(pattern3, line)
	match4 = re.findall(pattern4, line)
	print(len(match1) + len(match2) + len(match3) + len(match4))

	if i < (num-1):
			input()

Can anyone please share python3 code for this? need help please.

I am using python3 and its working fine in my local setup. But its throwing some list index error.Looks like it is not splitting the sentences.

Below are my sample code to split sentences into a list N = int(input()) data = input()

sentences = data.split('\n\n')

Is there any way to troubleshoot code in hackerank environment?