Hi, here's your problem today. This problem was recently asked by Google:

Given an integer, find the number of 1 bits it has.

Here's an example and some starting code.

```
def one_bits(num):
# Fill this in.
print(one_bits(23))
# 4
# 23 = 011011
```

Hi, here's your problem today. This problem was recently asked by Google:

Given an integer, find the number of 1 bits it has.

Here's an example and some starting code.

```
def one_bits(num):
# Fill this in.
print(one_bits(23))
# 4
# 23 = 011011
```