Python 替换字典中的值

我试图用

点词典中相应键的
值替换
行词典中的
值

lines = {'24': ('2', '10'), '25': ('17', '18')} #k,v => Line ID(Points) 
points = {'10': ('2.416067758476', '2.075872272548'), '17': ('2.454725131264', '5.000000000000'), '18': ('1.828299357105', '5.000000000000'), '2': ('3.541310767185', '2.774647545044')} #Point ID => (X,Y)

i = 1
while i in range(len(lines)):
    for k, v in lines.iteritems():
        for k1, v1 in points.iteritems():
            for n, new in enumerate(v):
                if k1 == new:
                    lines[k] = v1
i += 1

预期产出为：

lines = {'24': ('2.416067758476', '2.075872272548', '3.541310767185', '2.774647545044'), '25': ('2.454725131264', '5.000000000000', '1.828299357105', '5.000000000000')}

上述代码的输出

lines = {'24': ('3.541310767185', '2.774647545044'), '25': ('1.828299357105', '5.000000000000')}

如果我创建一个列表，然后将其附加到
行[k]
中，我最终得到点列表中的所有值，作为行的每个关键元素的值。我认为它没有正确地跳出for循环
 由于以下原因，您得到了错误的输出
行[k]=v
。这将覆盖您以前的作业

对于您想要的输出-

lines = {'24': ('2', '10'), '25': ('17', '18')} #k,v => Line ID(Points)
points = {'10': ('2.416067758476', '2.075872272548'), '17': ('2.454725131264', '5.000000000000'), '18': ('1.828299357105', '5.000000000000'), '2': ('3.541310767185', '2.774647545044')} #Point ID => (X,Y)

new_lines = {}
for k, v in lines.iteritems():
    x, y = v
    new_v = []
    new_v.extend(points[x])
    new_v.extend(points[y])
    new_lines[k] = tuple(new_v)

print new_lines

只需使用字典即可：

>>> {k:points[v[0]]+points[v[1]] for k,v in lines.items()}
{'24': ('3.541310767185', '2.774647545044', '2.416067758476', '2.075872272548'), '25': ('2.454725131264', '5.000000000000', '1.828299357105', '5.000000000000')}

谢谢投票赞成更全面。谢谢。我投了另一个票，因为它更全面。