I'm looking at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
Answer
An @ symbol at the beginning of a line is used for class, function and method decorators.
Read more here:
The most common Python decorators you'll run into are:
If you see an @ in the middle of a line, that's a different thing, matrix multiplication. Scroll down to see other answers that address that use of @.
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