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python list for Ñ­»·ÎÊÌâ

Python code:

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

if not p:
break
#expect output is:1,2,3,9,8,7,


¸ßÊÖ°ïÎÒ¿´¿´£¬ÎªÊ²Ã´Îҵò»µ½ÎÒÏëÒªµÄ½á¹ûÄØ,ÓÐʲô·½·¨¿ÉÒԵõ½ÎÒÏëÒªµÄ½á¹ûÂð

for i in p:Ó¦¸ÃÒª¼«Á¦±ÜÃâÈ¥¸Ä±äp¡£whileÀïËæ±ãÆð¸öÕûÊýµ±listϱêÀ´·ÃÎÊÔªËØ£¬È»ºóÑ­»·µÝÔöÕâ¸öÕûÊý...

for i in p:
  ---> iÊÇÁбípµÄÔªËØ
p.remove(i)
  --->Õâ¸öiÊÇÁбípµÄË÷Òý

ÁíÍ⣺
p=[1,2,3,4,5,6]
f=[9,8,7]
p[p.index(4):]=f

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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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