Mine

#!/usr/bin/env python
import os,sys,time
from pylib import openPipe

if len(sys.argv) < 2:
	sys.exit("At least one argument is needed")

processes = openPipe(["ps", "-A"])

found = []
for arg in sys.argv[1:]:
	match = False
	for line in processes:
		if arg in line:
			found.append(line)
			match = True
	if not match:
		print "%s was not found!" % arg
		time.sleep(2)

if not found:
	sys.exit("No matches found")

pids = []
for line in found:
	pid = line.strip().split(" ")[0]
	pids.append(pid)

param = ""
for pid in pids:
	param += "-p%s " % pid

os.system("top %s" % param)