fanglinchen

public void recursiveLoopChildren(ViewGroup parent) {
        for (int i = parent.getChildCount() - 1; i >= 0; i--) {
            final View child = parent.getChildAt(i);
            if (child instanceof ViewGroup) {
                recursiveLoopChildren((ViewGroup) child);
                // DO SOMETHING WITH VIEWGROUP, AFTER CHILDREN HAS BEEN LOOPED
            } else {
                if (child != null) {
                    // DO SOMETHING WITH VIEW
                }

fanglinchen

for i,value in enumerate(numbers):
  quotient = num/value
            
  for once in xrange(quotient):
    if res == '':
      res = letters[i]
    else:
      res = res + letters[i]
    num = num%value
  return res