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  1. def foo(a=[]):
  2. 	a.append(1)
  3. 	print(a)
  4.  
  5. foo()
  6. foo([1])
  7. foo()
Success #stdin #stdout 0.02s 9984KB
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stdin
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Standard input is empty
stdout
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[1]
[1, 1]
[1, 1]
https://ideone.com/C849o5
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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