Gamma python version

gamma.py

#!/usr/bin/env python
import math

def gamma(a):
    # special case
    if int(a) == 1:
        return 0
    ind = (int)(math.floor(math.log(a*1.0)/math.log(2.0)))
    first = ind * '1' + '0'
    size = ((int)(math.pow(2, (int)(math.floor(math.log(a*1.0)/math.log(2.0))))))
    # print ind
    # print "#0" + str(ind) +"b"
    return first + (format(a%size, "0" + str(ind) +"b"))

for i in [4, 11, 47, 1, 202, 3, 2, 230, 8, 9]:
    print i, gamma(i)

// peter piper picks papers

a = '$peterpiperpickspapers$'
b = []; // 22

for (var i=0; i<a.length-1; ++i) {
  console.log(a[i]+a[i+1]);
  b.push(''+[a[i]+a[i+1]]);
}

c = new Set(b); // size 16