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  1. chars = '123456dfr\t\n7890v'
  2.  
  3. for c in chars:
  4. print('Yes') if c.isdigit() else print('No')
Success #stdin #stdout 0.02s 9992KB
stdin
Standard input is empty
stdout
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
No