[Python] Create a string that, when written to a binary file, represents a number. Also contains null-padding function for fixed-width representation.

StringifyNumber.py

def StringifyKeepingValue(s):
	stringy = ""
	while s:
		digit = s %256
		s-= s%256
		s = s/256
		stringy+=chr(digit)
	return stringy

def PadString(val, s, l):
	if len(s) == l:
		return s
	if len(s) > l:
		return s [0:l]
	while len(s) < l:
		s=val+s
	return s

def PadAndString(n, l):
	return PadString(chr(0), StringifyKeepingValue(n), l)