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It's recommended today that you learn and use Python 3.

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However you may still come across Python too.

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One of the most basic differences between Python 2 and Python 3 is that print is a function in Python

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3.

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Notice as an example I can type.

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Print Hello in python 2 and that works.

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So notice it worked.

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But if I type Python 3 and type of print Hello it fails.

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I need to put that inside of brackets.

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Notice we told that the parentheses are missing.

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So print Hello that works.

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So in Python 3 this is a function that's something that often traps people up when they work on Python

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2 and then moved to Python 3.

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So again the recommendation today is that you learn Python 3 but you may come across Python 2 as an

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example.

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If you using on box python on some Cisco devices you may still need to use Python 2 not 7.

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You may come across legacy code that uses Python 2 not 7.

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So learn Python 3 today if you need to it but be aware you may encounter Python 2 not 7 in the real

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world.