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# mode: run
# tag: generators
class TestClass(object):
"""
>>> TestClass.x
[1, 2, 3]
>>> list(TestClass.gen)
[]
>>> TestClass.gen_result
[2, 4, 6]
>>> TestClass.test
True
>>> list(TestClass.gen3)
[2, 4, 6, 8, 10, 12]
"""
x = [1, 2, 3]
gen = (i * 2 for i in x)
test = all(i * 2 for i in x)
gen_result = list(gen)
nested_list = [[1, 2, 3], [4, 5, 6]]
#gen2 = (i * 2 for i in x for x in nested_list) # move to error test
gen3 = (i * 2 for x in nested_list for i in x)
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