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Code: Alles auswählen

teiler = 1000


#### methode 1 start
s = ""
s2 = ""
c = 0
ctime = time.time()
t1 = [[0, 0]]
for i in liste:
	s = ''.join((s, str(i[17])))
	c = c + 1
	print c
	if (c % teiler) == 0:
		s2 = ' '.join((s2, s))
		s = ""
#		c = 0
		t1.append([str(time.time() - ctime), str(c)])
print t1
#### methode 1 stopp





#### methode 2 start
s = ""
c = 0
ctime = time.time()
t2 = [[0, 0]]
for i in liste:
	s = ''.join((s, str(i[17])))
	c = c + 1
	print c
	if (c % teiler) == 0:
		t2.append([str(time.time() - ctime), str(c)])
print t2
#### methode 2 stopp







#### methode 3 start
s = ""
c = 0
ctime = time.time()
t3 = [[0, 0]]
for i in liste:
	s = s + ' ' + str(i[17])
	c = c + 1
	print c
	if (c % teiler) == 0:
		t3.append([str(time.time() - ctime), str(c)])
print t3
#### methode 3 stopp






#### Daten in Textdateien um mit gnuplot zu plotten
vergleich = ""
for t, d in (t1, '1'), (t2, '2'), (t3, '3'):

	outfile = open('vergleich.stat' + d, 'w')

	for r in t:

		t = str(r[0])
		l = str(r[1])
		zeile = ' '.join((t, l, '\n'))
		outfile.write(zeile)

outfile.close()

Code: Alles auswählen

' '.join(str(l[17]) for l in lists)

Code: Alles auswählen

In [24]: import string

In [25]: import operator

In [26]: data = [list(string.ascii_letters) for _ in range(1000)]

In [27]: "".join(imap(operator.itemgetter(17), data))