diff --git a/src/neat_builtin_examples/dicts/Counter_example.py b/src/neat_problems/dicts/Counter_example.py
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diff --git a/src/neat_builtin_examples/dicts/find_top_N_recurring_words.py b/src/neat_problems/dicts/find_top_N_recurring_words.py
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rename from src/neat_builtin_examples/dicts/find_top_N_recurring_words.py
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diff --git a/src/neat_builtin_examples/dicts/runtime_dicts_with_timeit_module.py b/src/neat_problems/dicts/runtime_dicts_with_timeit_module.py
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rename from src/neat_builtin_examples/dicts/runtime_dicts_with_timeit_module.py
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diff --git a/src/neat_builtin_examples/dicts/veirfy_two_strings_are_anagrams.py b/src/neat_problems/dicts/veirfy_two_strings_are_anagrams.py
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rename from src/neat_builtin_examples/dicts/veirfy_two_strings_are_anagrams.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/__init__.py b/src/neat_problems/lists_and_strings/__init__.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/conv_str2int.py b/src/neat_problems/lists_and_strings/conv_str2int.py
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rename from src/neat_builtin_examples/lists_and_strings/count_unique_words.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_0_MxN_replace_cols_rows.py b/src/neat_problems/lists_and_strings/find_0_MxN_replace_cols_rows.py
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rename from src/neat_builtin_examples/lists_and_strings/find_0_MxN_replace_cols_rows.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_all_permutations_string.py b/src/neat_problems/lists_and_strings/find_all_permutations_string.py
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rename from src/neat_builtin_examples/lists_and_strings/find_all_permutations_string.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_closest_num_seq.py b/src/neat_problems/lists_and_strings/find_closest_num_seq.py
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rename from src/neat_builtin_examples/lists_and_strings/find_closest_num_seq.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_duplicate_num_array.py b/src/neat_problems/lists_and_strings/find_duplicate_num_array.py
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rename from src/neat_builtin_examples/lists_and_strings/find_duplicate_num_array.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_edit_distance.py b/src/neat_problems/lists_and_strings/find_edit_distance.py
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rename from src/neat_builtin_examples/lists_and_strings/find_edit_distance.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_first_non_repetead_char.py b/src/neat_problems/lists_and_strings/find_first_non_repetead_char.py
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rename from src/neat_builtin_examples/lists_and_strings/find_first_non_repetead_char.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_if_is_substr.py b/src/neat_problems/lists_and_strings/find_if_is_substr.py
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rename from src/neat_builtin_examples/lists_and_strings/find_if_is_substr.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_if_only_unique_chars.py b/src/neat_problems/lists_and_strings/find_if_only_unique_chars.py
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rename from src/neat_builtin_examples/lists_and_strings/find_if_only_unique_chars.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_long_con_inc_subseq.py b/src/neat_problems/lists_and_strings/find_long_con_inc_subseq.py
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rename from src/neat_builtin_examples/lists_and_strings/find_long_con_inc_subseq.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_majority_in_seq.py b/src/neat_problems/lists_and_strings/find_majority_in_seq.py
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rename from src/neat_builtin_examples/lists_and_strings/find_majority_in_seq.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_max_profit.py b/src/neat_problems/lists_and_strings/find_max_profit.py
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rename from src/neat_builtin_examples/lists_and_strings/find_max_profit.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_max_subarray.py b/src/neat_problems/lists_and_strings/find_max_subarray.py
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rename from src/neat_builtin_examples/lists_and_strings/find_max_subarray.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_palindrome_rec.py b/src/neat_problems/lists_and_strings/find_palindrome_rec.py
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rename from src/neat_builtin_examples/lists_and_strings/find_palindrome_rec.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_product_without_division.py b/src/neat_problems/lists_and_strings/find_product_without_division.py
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rename from src/neat_builtin_examples/lists_and_strings/find_product_without_division.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_subst_in_str.py b/src/neat_problems/lists_and_strings/find_subst_in_str.py
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rename from src/neat_builtin_examples/lists_and_strings/find_subst_in_str.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/find_two_missing_numbers_in_sequence.py b/src/neat_problems/lists_and_strings/find_two_missing_numbers_in_sequence.py
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rename from src/neat_builtin_examples/lists_and_strings/find_two_missing_numbers_in_sequence.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/greatest_sum_sub_array.py b/src/neat_problems/lists_and_strings/greatest_sum_sub_array.py
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rename from src/neat_builtin_examples/lists_and_strings/greatest_sum_sub_array.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/longest_common_substring.py b/src/neat_problems/lists_and_strings/longest_common_substring.py
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rename from src/neat_builtin_examples/lists_and_strings/longest_common_substring.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/merge_two_sorted_arrays.py b/src/neat_problems/lists_and_strings/merge_two_sorted_arrays.py
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rename from src/neat_builtin_examples/lists_and_strings/merge_two_sorted_arrays.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/perm_str.py b/src/neat_problems/lists_and_strings/perm_str.py
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rename from src/neat_builtin_examples/lists_and_strings/perm_str.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/print_all_seq_with_cont_num.py b/src/neat_problems/lists_and_strings/print_all_seq_with_cont_num.py
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rename from src/neat_builtin_examples/lists_and_strings/print_all_seq_with_cont_num.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/remove_specified_char_from_str.py b/src/neat_problems/lists_and_strings/remove_specified_char_from_str.py
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rename from src/neat_builtin_examples/lists_and_strings/remove_specified_char_from_str.py
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rename from src/neat_builtin_examples/lists_and_strings/removing_duplicates_seq.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/reverse_str.py b/src/neat_problems/lists_and_strings/reverse_str.py
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rename from src/neat_builtin_examples/lists_and_strings/reverse_str.py
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rename from src/neat_builtin_examples/lists_and_strings/reverse_string_inplace_rec.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/reverse_words_sentence.py b/src/neat_problems/lists_and_strings/reverse_words_sentence.py
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rename from src/neat_builtin_examples/lists_and_strings/reverse_words_sentence.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/rotate_NxN.py b/src/neat_problems/lists_and_strings/rotate_NxN.py
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rename from src/neat_builtin_examples/lists_and_strings/rotate_NxN.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/runtime_lists_with_timeit_module.py b/src/neat_problems/lists_and_strings/runtime_lists_with_timeit_module.py
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rename from src/neat_builtin_examples/lists_and_strings/runtime_lists_with_timeit_module.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/simple_str_comprension.py b/src/neat_problems/lists_and_strings/simple_str_comprension.py
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rename from src/neat_builtin_examples/lists_and_strings/simple_str_comprension.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/sum_two_numbers_sequence.py b/src/neat_problems/lists_and_strings/sum_two_numbers_sequence.py
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diff --git a/src/neat_builtin_examples/lists_and_strings/verify_if_perm.py b/src/neat_problems/lists_and_strings/verify_if_perm.py
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rename from src/neat_builtin_examples/lists_and_strings/verify_if_perm.py
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rename from src/neat_builtin_examples/numbers/convert_from_decimal_larger_bases.py
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diff --git a/src/neat_builtin_examples/sets/bit_operations/insert_small_bin_into_big_bin.py b/src/neat_problems/sets/bit_operations/insert_small_bin_into_big_bin.py
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diff --git a/src/neat_builtin_examples/sets/bit_operations/next_with_same_num_1s.py b/src/neat_problems/sets/bit_operations/next_with_same_num_1s.py
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diff --git a/src/neat_builtin_examples/sets/bit_operations/num_bits_to_convert_2_nums.py b/src/neat_problems/sets/bit_operations/num_bits_to_convert_2_nums.py
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rename from src/neat_builtin_examples/sets/bit_operations/num_bits_to_convert_2_nums.py
rename to src/neat_problems/sets/bit_operations/num_bits_to_convert_2_nums.py
diff --git a/src/neat_builtin_examples/sets/bit_operations/set_bit.py b/src/neat_problems/sets/bit_operations/set_bit.py
similarity index 100%
rename from src/neat_builtin_examples/sets/bit_operations/set_bit.py
rename to src/neat_problems/sets/bit_operations/set_bit.py
diff --git a/src/neat_builtin_examples/sets/bit_operations/swap_odd_even.py b/src/neat_problems/sets/bit_operations/swap_odd_even.py
similarity index 100%
rename from src/neat_builtin_examples/sets/bit_operations/swap_odd_even.py
rename to src/neat_problems/sets/bit_operations/swap_odd_even.py
diff --git a/src/neat_builtin_examples/sets/bit_operations/update_bit.py b/src/neat_problems/sets/bit_operations/update_bit.py
similarity index 100%
rename from src/neat_builtin_examples/sets/bit_operations/update_bit.py
rename to src/neat_problems/sets/bit_operations/update_bit.py
diff --git a/src/neat_builtin_examples/sets/removing_duplicates_seq_.py b/src/neat_problems/sets/removing_duplicates_seq_.py
similarity index 100%
rename from src/neat_builtin_examples/sets/removing_duplicates_seq_.py
rename to src/neat_problems/sets/removing_duplicates_seq_.py
diff --git a/src/neat_builtin_examples/sets/set_operations_dict.py b/src/neat_problems/sets/set_operations_dict.py
similarity index 100%
rename from src/neat_builtin_examples/sets/set_operations_dict.py
rename to src/neat_problems/sets/set_operations_dict.py
diff --git a/src/neat_builtin_examples/sets/set_operations_with_dict.py b/src/neat_problems/sets/set_operations_with_dict.py
similarity index 100%
rename from src/neat_builtin_examples/sets/set_operations_with_dict.py
rename to src/neat_problems/sets/set_operations_with_dict.py
diff --git a/src/neat_builtin_examples/sets/set_operations_with_lists.py b/src/neat_problems/sets/set_operations_with_lists.py
similarity index 100%
rename from src/neat_builtin_examples/sets/set_operations_with_lists.py
rename to src/neat_problems/sets/set_operations_with_lists.py
diff --git a/src/neat_builtin_examples/tuples/namedtuple_example.py b/src/neat_problems/tuples/namedtuple_example.py
similarity index 100%
rename from src/neat_builtin_examples/tuples/namedtuple_example.py
rename to src/neat_problems/tuples/namedtuple_example.py