Question

Write a program that responds to a positive integer passed on the command line with the number of bits needed to express that number in binary.

Answer 1

You may want to rephrase the output.

```
#!/usr/local/bin/python3

### Written for Python version 3! ###

import sys

num = int( sys.argv[ 1 ] )
exp = 0

while( num > 2**exp ):
    exp += 1

print( "It takes %d bits to get to the center of a Tootsie Roll" % exp )

exit( 0 )
```