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27 lines
423 B
Python
27 lines
423 B
Python
'''
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>>> from back_reference_ext import *
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>>> y = Y(3)
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>>> z = Z(4)
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>>> x_instances()
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2
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>>> y2 = copy_Y(y)
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>>> x_instances()
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3
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>>> z2 = copy_Z(z)
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>>> x_instances()
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4
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'''
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def run(args = None):
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import sys
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import doctest
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if args is not None:
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sys.argv = args
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return doctest.testmod(sys.modules.get(__name__))
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if __name__ == '__main__':
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print "running..."
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import sys
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sys.exit(run()[0])
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