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#! c:\python26
# Filename: backup_ver1.py
import os
import time
source=[r'C:\test', r'C:\test1']
target_dir='D:\\back\\'
target=target_dir+time.strftime('%Y%m%d%H%M%S')+'.zip'
zip_command="rar a -r \"%s\" \"%s\"" %(target,''.join(source))
if os.system(zip_command)==0:
  print'successful backup to',target
else:
  print'backup failed'

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zip_command="rar a -r \"%s\" \"%s\"" % (target, "\" \"".join(source))

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python list for Ñ­»·ÎÊÌâ

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p=[1,2,3,4,5,6]
while True:
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if i==4:
p=[]
f=[9,8,7]
p.extend(f)
break
print i£¬',',
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