Python Solution using replace method
Code
# Code
```python3 []
class Solution:
    def entityParser(self, text: str) -> str:
        text = text.replace("&quot;", '"')
        text = text.replace("&apos;", "'")
        text = text.replace("&frasl;", "/")
        text = text.replace("&gt;", ">")
        text = text.replace("&lt;", "<")
        text = text.replace("&amp;", "&")
        return text
```
['String', 'Python3']