Simple Python Solution
\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n\t\treturn len(set(sentence))==26\n\n\n\nclass Solution:\n    def checkIfPangram(self, 
```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n\t\treturn len(set(sentence))==26\n```\n\n```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        for i in range(97,123):\n            if chr(i) not in sentence:\n                return False\n        return True\n```
[]