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class Form(QDialog):
  ........
  amountLabel = QLabel("Amount")
  self.amountLabel = QLabel()
  ........

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һ¥˵µÄ²»¶Ô°É£¬ÄǸöamountLabel ºÍself.amountLabel ¶¨ÒåÁËÁ½¸ö²»Í¬µÄ±êÇ©£¬ÏÔʾµÄʱºòÒ²»áÏÔʾÁ½¸ö±êÇ©£¬ÔõôÄÜ˵һÑùµÄÄØ

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Python code:

>>> class T(object):
... def __init__(self):
... val = 1
... self.val = 2
... print id(val)
... print id(self.val)
...
>>> t = T()
135716664
135716652
>>> print id(t.val)
135716652





...
  amountLabel = QLabel("Amount")
  self.amountLabel = QLabel()

  layout.addWidget( amountLabel)
  layout.addWidget(self.amountLabel)
...

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Python Óë´ó¶àÊýÆäËüÓïÑÔÒ»ÑùÓоֲ¿±äÁ¿ºÍÈ«¾Ö±äÁ¿Ö®·Ö£¬µ«ÊÇËüûÓÐÃ÷ÏԵıäÁ¿ÉùÃ÷¡£±äÁ¿Í¨¹ýÊ״θ³Öµ²úÉú£¬µ±³¬³ö×÷Ó÷¶Î§Ê±×Ô¶¯ÏûÍö¡£ 

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s = unicode("²âÊÔ", "gb2312")
s = u'\u6d4b\u8bd5'
print s
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Python code:

>>> k = raw_input()
0 0123 ds dsl sd
>>> k
'0 0123 ds dsl sd'
>>> ......

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Python urllib ÈçºÎÌí¼Ó½ø¶ÈÏÔʾ

code:
remote = urllib.urlopen(remote_file)
local_file = open(local_path_name, "wb")
local_file.write(remote.read())
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