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I'm trying to make organized notes. As len and round are functions what is try, if, and except to?

Chris Freeman · Accepted Answer

Correct. len (https://docs.python.org/3/library/functions.html#len) and round (https://docs.python.org/3/library/functions.html#round) are built-in functions (https://docs.python.org/3/library/functions.html).
try/except (https://docs.python.org/3/reference/compound_stmts.html#the-try-statement)
and if (https://docs.python.org/3/reference/compound_stmts.html#the-if-statement) are called compound statements (https://docs.python.org/3/reference/compound_stmts.html). 
The Python docs (https://docs.python.org/3/reference/) are a great source of information. 
Post back if you need more help. Good luck!!!

Peter Vann · Answer

Hi Andy!
I believe Assert, Raise, Try, Except, Else, and Finally all just fall under the general category of "Exceptions" (And/or "Error Handling" and/or "Exception Control Flow").
The whole idea is that it is conditional code you can put in your program that if something goes "off-the-rails" (fails/errors), your program (execution) won't grind to an abrupt halt.
More info:
https://realpython.com/python-exceptions/
http://tutors.ics.uci.edu/index.php/79-python-resources/104-try-except
https://www.geeksforgeeks.org/try-except-else-and-finally-in-python/
I hope that/these help(s).
Stay safe and happy coding!

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Andy McDonald

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Chris Freeman

Chris Freeman

Peter Vann

Peter Vann

Chris Freeman

Chris Freeman