1
我有2个列表,1是嵌套的。我想用条件将它导出到txt。每个不同的字母都以...开头,即:“Letter,A”,后面跟随其元组的第三个元素,否则打印“,”。存在的条件是,如果该元组的第二个元素是在范围与var
(从0至5):元组打印元素如果条件else打印范围内的另一个值
var=5
letter=['A','B','C','D','E','F','G','H']
nested_list=[
('A', 1, 0),
('A', 2, 0),
('B', 1, 9),
('B', 3, 9),
('C', 2, 0),
('C', 4, 0),
('C', 5, 0),
('D', 2, 9),
('E', 3, 0),
('F', 3, 9)]
到目前为止我的代码:
bd="Letter,"
for i in range(0,len(nested_list)-1):
if nested_list[i][0]!=nested_list[i+1][0]:
bd+="\nLetter,%s,"%(nested_list[i][0])
for j in range(0,var):
if nested_list[i][1]==j:
bd+="%s,"%nested_list[i][2]
else:
bd+=","
elif nested_list[i][0]==nested_list[i+1][0]:
bd+="\n"
for j in range(0,var):
if nested_list[i+1][1]==j:
bd+="%s,"%nested_list[i+1][2]
else:
bd+=","
print bd
电流输出:
Letter,A,,,0,,,
Letter,A,,,0,,,B,,,,9,,
Letter,B,,,,9,,C,,,,,0,C,,,,,,
Letter,C,,,,,,
Letter,D,,,9,,,
Letter,E,,,,0,,
预期输出
Letter,A,0,0,,,
Letter,B,9,,9,,
Letter,C,,0,,0,0
Letter,D,,9,,,
Letter,E,,,0,,
Letter,F,,,0,,
有什么建议吗?
感谢的人,完美的作品! – gilgameshbk