Multiple solution in python
Fastest Solution:\n\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        lst=[0]*26\n        for i in sentence:\n            lst[ord(
**Fastest Solution:**\n```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        lst=[0]*26\n        for i in sentence:\n            lst[ord(i)-ord(\'a\')]+=1\n        return 0 not in lst\n```\n\n**One line solution:**\n```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        return len(set(sentence))==26\n```
['Array', 'Python', 'Python3']