L=[ ['Aplle','Google','Microsoft'], ['Java','Python','Ruby','PHP'], ['Adam','Bob','Cat'] ] print(L[0][0]) print(L[1][1]) print(L[2][2])
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秦庆顺
L=[ ['Aplle','Google','Microsoft'], ['Java','Python','Ruby','PHP'], ['Adam','Bob','Cat'] ] print(L[0][0]) print(L[1][1]) print(L[2][2])