Chapter 1

Answer 1

Concatenation of a byte type, which is an immutable type, and a str type isn't permissible in the Python 3 standard; any attempt to concatenate these two types will raise TypeError.

Answer 2

The type-hinting support introduced in Python 3 is only intended to provide greater clarity in documenting the methods and the parameters and doesn't enforce any standards on the operations.

Answer 3

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