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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 code:

class Rectangle:
def __init__(self, width, height):
self.width = width
self.height = height
def paint(self, factory):
point = factory.getPoint()
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