diff --git a/CHANGELOG.md b/CHANGELOG.md
index b41fd7c..bc8bbba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog 
 
+## 1.3.4
+- Add Neetcode 250 
+- Fix linting error 
+
 ## 1.3.3
 - Fix  issue in querying NeetCode videos 
 - Remove support for Python 3.7 (Cannot properly test for Mac)
diff --git a/README.md b/README.md
index 3f69eaf..e1a2e79 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ options:
                         problem(s) for. (default: None)
   --file FILE, -f FILE  The file containing the URL(s) or slug(s) of the LeetCode question(s)
                         to generate problem(s) for. (default: None)
-  --preset {blind_75,grind_75,grind_169,neetcode_150,neetcode_all}, -p {blind_75,grind_75,grind_169,neetcode_150,neetcode_all}
+  --preset {blind_75,grind_75,grind_169,neetcode_150,neetcode_all}, -p {blind_75,grind_75,grind_169,neetcode_150,neetcode_250,neetcode_all}
                         The preset to use to generate problem(s) for. (default: None)
   --format {anki,excel}, -F {anki,excel}
                         The format to save the Leetcode problem(s) in. (default: anki)
diff --git a/leetcode_study_tool/outputs.py b/leetcode_study_tool/outputs.py
index a7d7cfa..cff38b0 100644
--- a/leetcode_study_tool/outputs.py
+++ b/leetcode_study_tool/outputs.py
@@ -113,7 +113,7 @@ def save_excel(problems: List[Union[List[Union[str, date]], None]], file: str) -
     for i, problem in enumerate(problems, start=1):
         if problem:
             for j, line in enumerate(problem):
-                if type(line) == date and j == 3:
+                if type(line) is date and j == 3:
                     worksheet.write_datetime(i, j, line, date_format)
                 else:
                     worksheet.write(i, j, line)
diff --git a/leetcode_study_tool/presets.py b/leetcode_study_tool/presets.py
index 28b768d..a85c7e4 100644
--- a/leetcode_study_tool/presets.py
+++ b/leetcode_study_tool/presets.py
@@ -481,6 +481,259 @@
     "https://leetcode.com/problems/reverse-integer/",
 ]
 
+NEETCODE_250 = [
+    "https://leetcode.com/problems/concatenation-of-array/",
+    "https://leetcode.com/problems/contains-duplicate/",
+    "https://leetcode.com/problems/valid-anagram/",
+    "https://leetcode.com/problems/two-sum/",
+    "https://leetcode.com/problems/longest-common-prefix/",
+    "https://leetcode.com/problems/group-anagrams/",
+    "https://leetcode.com/problems/remove-element/",
+    "https://leetcode.com/problems/majority-element/",
+    "https://leetcode.com/problems/design-hashset/",
+    "https://leetcode.com/problems/design-hashmap/",
+    "https://leetcode.com/problems/sort-an-array/",
+    "https://leetcode.com/problems/sort-colors/",
+    "https://leetcode.com/problems/top-k-frequent-elements/",
+    "https://leetcode.com/problems/encode-and-decode-strings/",
+    "https://leetcode.com/problems/range-sum-query-2d-immutable/",
+    "https://leetcode.com/problems/product-of-array-except-self/",
+    "https://leetcode.com/problems/valid-sudoku/",
+    "https://leetcode.com/problems/longest-consecutive-sequence/",
+    "https://leetcode.com/problems/best-time-to-buy-and-sell-stock-ii/",
+    "https://leetcode.com/problems/majority-element-ii",
+    "https://leetcode.com/problems/subarray-sum-equals-k/",
+    "https://leetcode.com/problems/first-missing-positive/",
+    "https://leetcode.com/problems/reverse-string/",
+    "https://leetcode.com/problems/valid-palindrome/",
+    "https://leetcode.com/problems/valid-palindrome-ii/",
+    "https://leetcode.com/problems/merge-strings-alternately/",
+    "https://leetcode.com/problems/merge-sorted-array/",
+    "https://leetcode.com/problems/remove-duplicates-from-sorted-array/",
+    "https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/",
+    "https://leetcode.com/problems/3sum/",
+    "https://leetcode.com/problems/4sum/",
+    "https://leetcode.com/problems/rotate-array/",
+    "https://leetcode.com/problems/container-with-most-water/",
+    "https://leetcode.com/problems/boats-to-save-people/",
+    "https://leetcode.com/problems/trapping-rain-water/",
+    "https://leetcode.com/problems/contains-duplicate-ii/",
+    "https://leetcode.com/problems/best-time-to-buy-and-sell-stock/",
+    "https://leetcode.com/problems/longest-substring-without-repeating-characters/",
+    "https://leetcode.com/problems/longest-repeating-character-replacement/",
+    "https://leetcode.com/problems/permutation-in-string/",
+    "https://leetcode.com/problems/minimum-size-subarray-sum/",
+    "https://leetcode.com/problems/find-k-closest-elements/",
+    "https://leetcode.com/problems/minimum-window-substring/",
+    "https://leetcode.com/problems/sliding-window-maximum/",
+    "https://leetcode.com/problems/baseball-game/",
+    "https://leetcode.com/problems/valid-parentheses/",
+    "https://leetcode.com/problems/implement-stack-using-queues/",
+    "https://leetcode.com/problems/implement-queue-using-stacks",
+    "https://leetcode.com/problems/min-stack/",
+    "https://leetcode.com/problems/evaluate-reverse-polish-notation/",
+    "https://leetcode.com/problems/generate-parentheses/",
+    "https://leetcode.com/problems/asteroid-collision/",
+    "https://leetcode.com/problems/daily-temperatures/",
+    "https://leetcode.com/problems/online-stock-span/",
+    "https://leetcode.com/problems/car-fleet/",
+    "https://leetcode.com/problems/simplify-path/",
+    "https://leetcode.com/problems/decode-string/",
+    "https://leetcode.com/problems/maximum-frequency-stack/",
+    "https://leetcode.com/problems/largest-rectangle-in-histogram/",
+    "https://leetcode.com/problems/binary-search/",
+    "https://leetcode.com/problems/search-insert-position/",
+    "https://leetcode.com/problems/guess-number-higher-or-lower/",
+    "https://leetcode.com/problems/sqrtx/",
+    "https://leetcode.com/problems/search-a-2d-matrix/",
+    "https://leetcode.com/problems/koko-eating-bananas/",
+    "https://leetcode.com/problems/capacity-to-ship-packages-within-d-days/",
+    "https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/",
+    "https://leetcode.com/problems/search-in-rotated-sorted-array/",
+    "https://leetcode.com/problems/search-in-rotated-sorted-array-ii/",
+    "https://leetcode.com/problems/time-based-key-value-store/",
+    "https://leetcode.com/problems/split-array-largest-sum/",
+    "https://leetcode.com/problems/median-of-two-sorted-arrays/",
+    "https://leetcode.com/problems/find-in-mountain-array",
+    "https://leetcode.com/problems/reverse-linked-list/",
+    "https://leetcode.com/problems/merge-two-sorted-lists/",
+    "https://leetcode.com/problems/linked-list-cycle/",
+    "https://leetcode.com/problems/reorder-list/",
+    "https://leetcode.com/problems/remove-nth-node-from-end-of-list/",
+    "https://leetcode.com/problems/copy-list-with-random-pointer/",
+    "https://leetcode.com/problems/add-two-numbers/",
+    "https://leetcode.com/problems/find-the-duplicate-number/",
+    "https://leetcode.com/problems/reverse-linked-list-ii/",
+    "https://leetcode.com/problems/design-circular-queue/",
+    "https://leetcode.com/problems/lru-cache/",
+    "https://leetcode.com/problems/lfu-cache/",
+    "https://leetcode.com/problems/merge-k-sorted-lists/",
+    "https://leetcode.com/problems/reverse-nodes-in-k-group/",
+    "https://leetcode.com/problems/binary-tree-inorder-traversal/",
+    "https://leetcode.com/problems/binary-tree-preorder-traversal/",
+    "https://leetcode.com/problems/binary-tree-postorder-traversal/",
+    "https://leetcode.com/problems/invert-binary-tree/",
+    "https://leetcode.com/problems/maximum-depth-of-binary-tree/",
+    "https://leetcode.com/problems/diameter-of-binary-tree/",
+    "https://leetcode.com/problems/balanced-binary-tree/",
+    "https://leetcode.com/problems/same-tree/",
+    "https://leetcode.com/problems/subtree-of-another-tree/",
+    "https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/",
+    "https://leetcode.com/problems/insert-into-a-binary-search-tree/",
+    "https://leetcode.com/problems/delete-node-in-a-bst/",
+    "https://leetcode.com/problems/binary-tree-level-order-traversal/",
+    "https://leetcode.com/problems/binary-tree-right-side-view/",
+    "https://leetcode.com/problems/construct-quad-tree/",
+    "https://leetcode.com/problems/count-good-nodes-in-binary-tree/",
+    "https://leetcode.com/problems/validate-binary-search-tree/",
+    "https://leetcode.com/problems/kth-smallest-element-in-a-bst/",
+    "https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/",
+    "https://leetcode.com/problems/house-robber-iii/",
+    "https://leetcode.com/problems/delete-leaves-with-a-given-value",
+    "https://leetcode.com/problems/binary-tree-maximum-path-sum/",
+    "https://leetcode.com/problems/serialize-and-deserialize-binary-tree/",
+    "https://leetcode.com/problems/kth-largest-element-in-a-stream/",
+    "https://leetcode.com/problems/last-stone-weight/",
+    "https://leetcode.com/problems/k-closest-points-to-origin/",
+    "https://leetcode.com/problems/kth-largest-element-in-an-array/",
+    "https://leetcode.com/problems/task-scheduler/",
+    "https://leetcode.com/problems/design-twitter/",
+    "https://leetcode.com/problems/single-threaded-cpu/",
+    "https://leetcode.com/problems/reorganize-string/",
+    "https://leetcode.com/problems/longest-happy-string/",
+    "https://leetcode.com/problems/car-pooling/",
+    "https://leetcode.com/problems/find-median-from-data-stream/",
+    "https://leetcode.com/problems/ipo/",
+    "https://leetcode.com/problems/sum-of-all-subset-xor-totals",
+    "https://leetcode.com/problems/subsets/",
+    "https://leetcode.com/problems/combination-sum/",
+    "https://leetcode.com/problems/combination-sum-ii/",
+    "https://leetcode.com/problems/combinations/",
+    "https://leetcode.com/problems/permutations/",
+    "https://leetcode.com/problems/subsets-ii/",
+    "https://leetcode.com/problems/permutations-ii/",
+    "https://leetcode.com/problems/word-search/",
+    "https://leetcode.com/problems/palindrome-partitioning/",
+    "https://leetcode.com/problems/letter-combinations-of-a-phone-number/",
+    "https://leetcode.com/problems/matchsticks-to-square/",
+    "https://leetcode.com/problems/partition-to-k-equal-sum-subsets/",
+    "https://leetcode.com/problems/n-queens/",
+    "https://leetcode.com/problems/n-queens-ii/",
+    "https://leetcode.com/problems/word-break-ii",
+    "https://leetcode.com/problems/implement-trie-prefix-tree/",
+    "https://leetcode.com/problems/design-add-and-search-words-data-structure/",
+    "https://leetcode.com/problems/extra-characters-in-a-string/",
+    "https://leetcode.com/problems/word-search-ii/",
+    "https://leetcode.com/problems/island-perimeter/",
+    "https://leetcode.com/problems/verifying-an-alien-dictionary/",
+    "https://leetcode.com/problems/find-the-town-judge",
+    "https://leetcode.com/problems/number-of-islands/",
+    "https://leetcode.com/problems/max-area-of-island/",
+    "https://leetcode.com/problems/clone-graph/",
+    "https://leetcode.com/problems/walls-and-gates/",
+    "https://leetcode.com/problems/rotting-oranges/",
+    "https://leetcode.com/problems/pacific-atlantic-water-flow/",
+    "https://leetcode.com/problems/surrounded-regions/",
+    "https://leetcode.com/problems/open-the-lock/",
+    "https://leetcode.com/problems/course-schedule/",
+    "https://leetcode.com/problems/course-schedule-ii/",
+    "https://leetcode.com/problems/graph-valid-tree/",
+    "https://leetcode.com/problems/course-schedule-iv/",
+    "https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/",
+    "https://leetcode.com/problems/redundant-connection/",
+    "https://leetcode.com/problems/accounts-merge/",
+    "https://leetcode.com/problems/evaluate-division/",
+    "https://leetcode.com/problems/minimum-height-trees",
+    "https://leetcode.com/problems/word-ladder/",
+    "https://leetcode.com/problems/path-with-minimum-effort/",
+    "https://leetcode.com/problems/network-delay-time/",
+    "https://leetcode.com/problems/reconstruct-itinerary/",
+    "https://leetcode.com/problems/min-cost-to-connect-all-points/",
+    "https://leetcode.com/problems/swim-in-rising-water/",
+    "https://leetcode.com/problems/alien-dictionary/",
+    "https://leetcode.com/problems/cheapest-flights-within-k-stops/",
+    "https://leetcode.com/problems/find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree/",
+    "https://leetcode.com/problems/build-a-matrix-with-conditions",
+    "https://leetcode.com/problems/greatest-common-divisor-traversal",
+    "https://leetcode.com/problems/climbing-stairs/",
+    "https://leetcode.com/problems/min-cost-climbing-stairs/",
+    "https://leetcode.com/problems/n-th-tribonacci-number/",
+    "https://leetcode.com/problems/house-robber/",
+    "https://leetcode.com/problems/house-robber-ii/",
+    "https://leetcode.com/problems/longest-palindromic-substring/",
+    "https://leetcode.com/problems/palindromic-substrings/",
+    "https://leetcode.com/problems/decode-ways/",
+    "https://leetcode.com/problems/coin-change/",
+    "https://leetcode.com/problems/maximum-product-subarray/",
+    "https://leetcode.com/problems/word-break/",
+    "https://leetcode.com/problems/longest-increasing-subsequence/",
+    "https://leetcode.com/problems/partition-equal-subset-sum/",
+    "https://leetcode.com/problems/combination-sum-iv/",
+    "https://leetcode.com/problems/perfect-squares/",
+    "https://leetcode.com/problems/integer-break/",
+    "https://leetcode.com/problems/stone-game-iii/",
+    "https://leetcode.com/problems/unique-paths/",
+    "https://leetcode.com/problems/unique-paths-ii/",
+    "https://leetcode.com/problems/minimum-path-sum/",
+    "https://leetcode.com/problems/longest-common-subsequence/",
+    "https://leetcode.com/problems/last-stone-weight-ii/",
+    "https://leetcode.com/problems/best-time-to-buy-and-sell-stock-with-cooldown/",
+    "https://leetcode.com/problems/coin-change-ii/",
+    "https://leetcode.com/problems/target-sum/",
+    "https://leetcode.com/problems/interleaving-string/",
+    "https://leetcode.com/problems/stone-game/",
+    "https://leetcode.com/problems/stone-game-ii/",
+    "https://leetcode.com/problems/longest-increasing-path-in-a-matrix/",
+    "https://leetcode.com/problems/distinct-subsequences/",
+    "https://leetcode.com/problems/edit-distance/",
+    "https://leetcode.com/problems/burst-balloons/",
+    "https://leetcode.com/problems/regular-expression-matching/",
+    "https://leetcode.com/problems/lemonade-change/",
+    "https://leetcode.com/problems/maximum-subarray/",
+    "https://leetcode.com/problems/maximum-sum-circular-subarray/",
+    "https://leetcode.com/problems/longest-turbulent-subarray/",
+    "https://leetcode.com/problems/jump-game/",
+    "https://leetcode.com/problems/jump-game-ii/",
+    "https://leetcode.com/problems/jump-game-vii/",
+    "https://leetcode.com/problems/gas-station/",
+    "https://leetcode.com/problems/hand-of-straights/",
+    "https://leetcode.com/problems/dota2-senate/",
+    "https://leetcode.com/problems/merge-triplets-to-form-target-triplet/",
+    "https://leetcode.com/problems/partition-labels/",
+    "https://leetcode.com/problems/valid-parenthesis-string/",
+    "https://leetcode.com/problems/candy/",
+    "https://leetcode.com/problems/insert-interval/",
+    "https://leetcode.com/problems/merge-intervals/",
+    "https://leetcode.com/problems/non-overlapping-intervals/",
+    "https://leetcode.com/problems/meeting-rooms/",
+    "https://leetcode.com/problems/meeting-rooms-ii/",
+    "https://leetcode.com/problems/meeting-rooms-iii",
+    "https://leetcode.com/problems/minimum-interval-to-include-each-query/",
+    "https://leetcode.com/problems/excel-sheet-column-title/",
+    "https://leetcode.com/problems/greatest-common-divisor-of-strings/",
+    "https://leetcode.com/problems/insert-greatest-common-divisors-in-linked-list/",
+    "https://leetcode.com/problems/transpose-matrix",
+    "https://leetcode.com/problems/rotate-image/",
+    "https://leetcode.com/problems/spiral-matrix/",
+    "https://leetcode.com/problems/set-matrix-zeroes/",
+    "https://leetcode.com/problems/happy-number/",
+    "https://leetcode.com/problems/plus-one/",
+    "https://leetcode.com/problems/roman-to-integer/",
+    "https://leetcode.com/problems/powx-n/",
+    "https://leetcode.com/problems/multiply-strings/",
+    "https://leetcode.com/problems/detect-squares/",
+    "https://leetcode.com/problems/single-number/",
+    "https://leetcode.com/problems/number-of-1-bits/",
+    "https://leetcode.com/problems/counting-bits/",
+    "https://leetcode.com/problems/add-binary/",
+    "https://leetcode.com/problems/reverse-bits/",
+    "https://leetcode.com/problems/missing-number/",
+    "https://leetcode.com/problems/sum-of-two-integers/",
+    "https://leetcode.com/problems/reverse-integer/",
+    "https://leetcode.com/problems/bitwise-and-of-numbers-range",
+    "https://leetcode.com/problems/minimum-array-end/",
+]
+
 NEETCODE_ALL = [
     "https://leetcode.com/problems/contains-duplicate/",
     "https://leetcode.com/problems/valid-anagram/",
@@ -928,5 +1181,6 @@
     "grind_75": GRIND_75,
     "grind_169": GRIND_169,
     "neetcode_150": NEETCODE_150,
+    "neetcode_250": NEETCODE_250,
     "neetcode_all": NEETCODE_ALL,
 }
diff --git a/scripts/presets.py b/scripts/presets.py
index ca8fd2a..c6472c8 100644
--- a/scripts/presets.py
+++ b/scripts/presets.py
@@ -38,6 +38,7 @@ def main(args: argparse.Namespace):
             ):
                 problems.append(url.geturl().decode())
 
+    print("Found {} problems".format(len(problems)))
     with open(args.output, "a") as f:
         json.dump(problems, f)