这是我的代码
width = int(input("How wide?"))
height = int(input("How high?"))
grid = []
row = []
bak = "."
for i in range(width):
row.append(bak)
for i in range(height):
grid.append(row)
while True:
for i in range(len(grid)):
print(grid[i])
它不工作,我不知道为什么.这是我放 5 宽和 5 高时得到的结果:
It's not working and i don't know why. This is what i get when i put 5 width and 5 height:
['.', '.', '.', '.', '.']
['.', '.', '.', '.', '.']
['.', '.', '.', '.', '.']
['.', '.', '.', '.', '.']
['.', '.', '.', '.', '.']
这很好,但当我使用以下命令更改左下角的点时:grid[0][0] = a".发生这种情况:
That's fine and all but when i change the bottom left dot by using this: grid[0][0] = "a". This happens:
['a', '.', '.', '.', '.']
['a', '.', '.', '.', '.']
['a', '.', '.', '.', '.']
['a', '.', '.', '.', '.']
['a', '.', '.', '.', '.']
它认为行"是list 是一个标签,当它被明确编码时不是.如何解决这个问题?
It thinks the "row" list is a tag, when it is clearly coded not to be. How to fix this problem?
使用list()
gridline = []
for i in range(5):
gridline.append("")
grid = []
for i in range(5):
grid.append(list(gridline))
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