How to modify bits in an integer?

Question

I have an integer with a value 7 (0b00000111) And I would like to replace it with a function to 13 (0b00001101). What is

Answer 1

These work for integers of any size, even greater than 32 bit:

def set_bit(value, bit):
    return value | (1<

If you like things short, you can just use:

>>> val = 0b111
>>> val |= (1<<3)
>>> '{:b}'.format(val)
'1111'
>>> val &=~ (1<<1)
'1101'