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  1. class B(object):
  2. 	integers = [1, 2, 3]
  3. 	pairs = [(i, j) for i in integers for j in integers]
  4.  
  5. print(B.pairs)
Runtime error #stdin #stdout #stderr 0.03s 9440KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 1, in <module>
  File "./prog.py", line 3, in B
  File "./prog.py", line 3, in <listcomp>
NameError: global name 'integers' is not defined
https://ideone.com/7XfDwQ
language:
Python 3 (python  3.9.5)
created:
10 years ago
visibility:
public

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