def get_process_tag(program, ccd, version='p'):
    """
    make a process tag have a suffix indicating which ccd its for.
    @param program: Name of the process that a tag is built for.
    @param ccd: the CCD number that this process ran on.
    @param version: The version of the exposure (s, p, o) that the process ran on.
    @return: The string that represents the processing tag.
    """
    return "%s_%s%s" % (program, str(version), str(ccd).zfill(2))
def get_process_tag ( program , ccd , version = 'p' ) : return "%s_%s%s" % ( program , str ( version ) , str ( ccd ) . zfill ( 2 ) )
make a process tag have a suffix indicating which ccd its for.
    @param program: Name of the process that a tag is built for.
    @param ccd: the CCD number that this process ran on.
    @param version: The version of the exposure (s, p, o) that the process ran on.
    @return: The string that represents the processing tag.