Python3: one-line solution
\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        return all(letter in sentence for letter in \'abcdefghijklmnopqrstuvwxyz\')\n\n
```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        return all(letter in sentence for letter in \'abcdefghijklmnopqrstuvwxyz\')\n```\nRuntime: 28 ms, **faster than 86.51%** of Python3 online submissions for Check if the Sentence Is Pangram.\nMemory Usage: 14 MB, **less than 91.22%** of Python3 online submissions for Check if the Sentence Is Pangram.
['Python']