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  1. info='label-data'
  2. print(info)
  3.  
  4. x=info.lower()
  5. print('小写:',x)
  6. d=info.upper()
  7. print('大写:',d)
Success #stdin #stdout 0.09s 14160KB
stdin
Standard input is empty
stdout
label-data
小写: label-data
大写: LABEL-DATA