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