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  1. product=['牛奶,''面包']
  2. price=[10,5]
  3. print(product)
  4. print(price)
  5. product.append('可乐')
  6. print(product)
Success #stdin #stdout 0.07s 14120KB
stdin
Standard input is empty
stdout
['牛奶,面包']
[10, 5]
['牛奶,面包', '可乐']