LeetCode solutions

1960. Check if the Sentence Is Pangram

My accepted Python solution to LeetCode problem 1960, Check if the Sentence Is Pangram, running in 0ms.

  • Difficulty: Easy
  • Python
  • Runtime 0ms
  • Memory 17.4MB

Read the problem on LeetCode View on GitHub

Python

Accepted on LeetCode — runtime 0ms, memory 17.4MB, accepted 2025-12-29.

python
class Solution:
    def checkIfPangram(self, sentence: str) -> bool:
        # Check if all 26 letters are present
        # Time: O(n), Space: O(1) - set max 26 chars
        return len(set(sentence)) == 26

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