der*_*zer 1 python dictionary tuples list python-3.x
目前要分配我的变量,我有这个:
rows = [[convert[random.randint(0,7)] for _ in range(5)] for _ in range(5)]
printedrows = [("[X]","[X]","[X]","[X]","[X]"," <- V: {} TOTAL: {}".format(row.count(0), sum(row))) for row in rows]
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这将创建5行随机值:
('[X]', '[X]', '[X]', '[X]', '[X]', ' <- V: 1 TOTAL: 9')
('[X]', '[X]', '[X]', '[X]', '[X]', ' <- V: 2 TOTAL: 5')
('[X]', '[X]', '[X]', '[X]', '[X]', ' <- V: 0 TOTAL: 6')
('[X]', '[X]', '[X]', '[X]', '[X]', ' <- V: 1 TOTAL: 10')
('[X]', '[X]', '[X]', '[X]', '[X]', ' <- V: 0 TOTAL: 8')
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我想将"X"重新分配给数字,因此它的内容如下:
('[X]', '[2]', '[X]', '[X]', '[X]', ' <- V: 1 TOTAL: 9')
('[1]', '[X]', '[3]', '[0]', '[1]', ' <- V: 2 TOTAL: 5')
('[X]', '[X]', '[1]', '[X]', '[X]', ' <- V: 0 TOTAL: 6')
('[1]', '[X]', '[X]', '[X]', '[2]', ' <- V: 1 TOTAL: 10')
('[X]', '[3]', '[X]', '[2]', '[X]', ' <- V: 0 TOTAL: 8')
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但是,当我使用它时:(仅限示例 - 位置由用户确定)
convert = {0:0,1:1,2:2,3:3,4:0,5:1,6:2,7:1}
printedrows[y][x] = rows[y][x]
TypeError: 'tuple' object does not support item assignment
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有什么我可以做的来解决这个问题,以便我可以在没有错误的情况下更改值吗?谢谢.
您正在创建一个包含元组的列表:
printedrows = [("[X]","[X]","[X]","[X]","[X]"," <- V: {} TOTAL: {}".format(row.count(0), sum(row)))
for row in rows]
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您可以改为制作这些列表:
printedrows = [["[X]","[X]","[X]","[X]","[X]"," <- V: {} TOTAL: {}".format(row.count(0), sum(row))]
for row in rows]
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注意方括号而不是圆括号.