def zfill(x, width):
    """zfill(x, width) -> string

    Pad a numeric string x with zeros on the left, to fill a field
    of the specified width.  The string x is never truncated.

    """
    if not isinstance(x, basestring):
        x = repr(x)
    return x.zfill(width)
def zfill(x, width):
    """zfill(x, width) -> string

    Pad a numeric string x with zeros on the left, to fill a field
    of the specified width.  The string x is never truncated.

    """
    if not isinstance(x, basestring):
        x = repr(x)
    return x.zfill(width)
def zfill ( x , width ) : if not isinstance ( x , basestring ) : x = repr ( x ) return x . zfill ( width )
zfill(x, width) -> string

    Pad a numeric string x with zeros on the left, to fill a field
    of the specified width.  The string x is never truncated.
zfill ( x width ) - > string