strang thing:

守株待兔 1248283536 at qq.com
Tue Sep 6 10:18:41 CEST 2011


i found stange thing that i can't solve
import os
import  csv

for  name  in   os.listdir('/tmp/quote/'):
    filename='/tmp/quote/'+name
    file = open(filename,'r')
    file.readline()      
    for row in csv.reader(file):
                print   row[0], row[1], row[2], row[3],row[4], row[5], row[6]

it's ok,
when i  add    (date,open,high,low,close,vol,adjclose) = (row[0], row[1], row[2], row[3],row[4], row[5], row[6])
change the code into 
import os
import  csv

for  name  in   os.listdir('/tmp/quote/'):
    filename='/tmp/quote/'+name
    file = open(filename,'r')
    file.readline()      
    for row in csv.reader(file):
            (date,open,high,low,close,vol,adjclose) = (row[0], row[1], row[2], row[3],row[4], row[5], row[6])
            print   row[0], row[1], row[2], row[3],row[4], row[5], row[6]


the wrong  output is :
    file = open(filename,'r')
TypeError: 'str' object is not callable

i don't know why??
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