Python · Python 2 vs Python 3

In Python 3.3+, what does u"hello" evaluate to, and why is the u prefix even allowed?

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More in Python 2 vs Python 3

Why is Python 2's input() considered dangerous, and what replaced it?

In Python 3, what does the built-in input() return when the user types 2**5?

What does this print in Python 3? ``` print 5 / 2 ```

In Python 3, what does this evaluate to? ``` 5 / 2 ```

In Python 3, what is the result of each? ``` 10 // 4 10.0 // 4 ```

In Python 3, what does -7 // 2 evaluate to?

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