Bit masks and popcount in Python

Questions 1 to 5 of 8

1. 1. What does this line print? ``python print(format(6 | 1, 'b')) ``

   1111101011110
2. 2. Write the Python expression that clears bit 3 of an int named flags, using a mask built with 1 << 3. Write it exactly as you would in code.

   Type your answer.

3. 3. What does this program print? ``python m = 0b1011 m = m & ~(1 << 0) print(m) ``

   111098
4. 4. Which expression is true only when n is a power of two?

   (n & (n - 1)) == 0n & (n - 1) != 0n > 0 and (n & (n - 1)) == 0n % 2 == 0
5. 5. What does this line print? ``python print(~(1 << 2)) ``

   4-8-4-5