What does the symbol “#!” mean in Python?

Question

I do not understand the meaning of the below line of code. Without it, my python3 HTTP server can't comprehend and let the program download a void .py record (rely upon the connection to the .py document) 

#! /usr/local/bin/python3

Answer 1

Actually it's not a python thing, it a hashbang (or shebang) line that demonstrates which translator should handle the document. 

The guidelines shift however, in its most straightforward structure, a record with the name xyz (containing that as the principal line), when run from the order line with xyz, will run it utilizing that translator, like:

/usr/local/bin/python3 xyz

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