def tracer(pid):
 tpid = int(status(pid)['TracerPid'])
 return (tpid if (tpid > 0) else None)

def tracer ( pid ) : tpid = int ( status ( pid ) [ 'TracerPid' ] ) return ( tpid if ( tpid > 0 ) else None )
tracer -> int arguments: pid : pid of the process .