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  1. # your code goes here
  2. a = ['1','2','3']
  3. print("_".join(a))
Success #stdin #stdout 0.02s 9108KB
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stdin
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Standard input is empty
stdout
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1_2_3
https://ideone.com/0y5Bqz
language:
Python 3 (python  3.9.5)
created:
2 years ago
visibility:
public

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