Python创建二维数组

在创建二维数组时遇到的情况：

lists = [[]] * 3
lists = [[],[],[]]
lists[0].append(3)
lists[1].append(4)
lists[[3,4],[3,4],[3,4]]

lists = [[] for i in range(3)]
lists[0].append(3)
lists[1].append(4)
lists[[3],[4],[]]

lists = [[0,0,0,],[0,0,0],[0,0,0]]

lists = [[0] * 3 ] * 3

lists = [None] * 3

lists = [[0,2,7],[2,9,8],[3,3,2]]
newlists = [[0 for i in range(len(lists[0]))] for j in range(len(lists))]

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