📌  Python solution using list
\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        counter = [0 for _ in range(97, 123)]\n        \n        for i in sentence:\n  
```\nclass Solution:\n    def checkIfPangram(self, sentence: str) -> bool:\n        counter = [0 for _ in range(97, 123)]\n        \n        for i in sentence:\n            counter[ord(i)-97] += 1\n        \n        for i in counter:\n            if i == 0:\n                return False\n        return True\n```
['Array', 'Python', 'Python3']