python

import os
filenames=os.listdir(os.getcwd())
num=raw_input('請輸入一個數字:')
for name in filenames:
 filenames[filenames.index(name)]=name[:-int(num)]
out=open('names.txt','w')
for name in filenames:
 out.write(name+'\n')
out.close()

 

 

try:
 filename=raw_input("eric")
 fobj=open(filename,'r')
 for eachLine in fobj:
  print eachLine,
 fobj.close()
except IOError e: