<commit_before>n = [[1, 2, 3], [4,5,6,7,8,9]]

def flatten(lists):
	results = []
	for numbers in lists:
		for item in numbers:
			results.append(item)
	return results

print flatten(n)
<commit_msg>Added comment to indicate importance of 4 space indentation in python.<commit_after>n = [[1, 2, 3], [4,5,6,7,8,9]]

# Always ensure to indent by 4 spaces

def flatten(lists):
    results = []
    for numbers in lists:
        for item in numbers:
            results.append(item)
    return results

print flatten(n)

{'fraction_non_alphanumeric': 0.1245136186770428, 'fraction_numerical': 0.038910505836575876, 'mean_word_length': 3.4782608695652173, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5839444', 'n_tokens_mistral': 187, 'n_tokens_neox': 177, 'n_words': 59}