Converting an integer to base 2

[Scott David Daniels]

On Sat, 1 Dec 2001 16:44:40 -0300, "Alves, Carlos Alberto - Coelce" <calves at coelce.com.br> wrote:
> Yeah, it works. But not for n=0, when we get the wrong result '' intead '0'.
> >>> def ito2(n):
> 	if n < 1:
> 		return ''
> 	else:
> 		return itoa2(n / 2) + str(n & 1)
> 
> 	
> >>> ito2(0)
> ''
How about:
 def ito2(n):
 	if n < 2:
 		return str(n)
 	else:
 		return ito2(n / 2) + str(n & 1)