Harald Massa wrote:
def getdoublekey(row):
return row[0:2]
for key, bereich in groupby(eingabe,getdoublekey):
print "Area:",key
for data in bereich:
print "--data--", data[2:]
Why don't you just pass a slice to itemgetter?
py> eingabe=[
... ("Stuttgart","70197","Fernsehturm","20"),
... ("Stuttgart","70197","Brotmuseum","123"),
... ("Stuttgart","70197","Porsche","123123"),
... ("Leipzig","01491","Messe","91822"),
... ("Leipzig","01491","Schabidu","9181231"),
... ]
py> from itertools import groupby
py> from operator import itemgetter
py> for key, bereich in groupby(eingabe, itemgetter(slice(0, 2))):
... print "Area:", key
... for data in bereich:
... print "--data--", data[2:]
...
Area: ('Stuttgart', '70197')
--data-- ('Fernsehturm', '20')
--data-- ('Brotmuseum', '123')
--data-- ('Porsche', '123123')
Area: ('Leipzig', '01491')
--data-- ('Messe', '91822')
--data-- ('Schabidu', '9181231')
STeVe
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