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  1. f=lambda n,x:n and f(n-1,sum(zip(x,x[len(x)/2:]),()))or x
  2.  
  3. print(f(2,[]))
Runtime error #stdin #stdout #stderr 0.02s 9984KB
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Standard input is empty
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Standard output is empty
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Traceback (most recent call last):
  File "./prog.py", line 3, in <module>
  File "./prog.py", line 1, in <lambda>
TypeError: slice indices must be integers or None or have an __index__ method
https://ideone.com/QpMfNW
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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