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  1. product=['牛奶','饮料']
  2. price=[10]
  3. print(product )
  4. print(price)
  5. product.append('面包')
  6. print(product)
Success #stdin #stdout 0.11s 14072KB
stdin
Standard input is empty
stdout
['牛奶', '饮料']
[10]
['牛奶', '饮料', '面包']