Bit Manipulation: Get the bit at the given position

[cereblanco]

Bit Manipulation: Get the bit at the given position

Examples:

    >>> get_bit(0b1010, 0) # bit at 0 position is 0
    0
    >>> get_bit(0b1010, 1) # bit at 1 position is 1
    1
    >>> get_bit(0b1010, 2) # bit at 2 position is 0
    0