for x in mylist:
print x
输出类似于:
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'R']
['2009/09/13_00:00', 'J']
['2009/09/13_00:00', 'J']
['2009/09/16_00:00', 'R']
['2009/09/18_00:00', 'R']
['2009/09/19_00:00', 'R']
['2009/09/23_00:00', 'R']
['2009/09/24_00:00', 'R']
['2009/09/24_00:00', 'W']
['2009/09/24_00:00', 'S']
['2009/09/24_00:00', 'S']
['2009/09/24_00:00', 'T']
我怎样才能将同一日期的重复项连接在一起?
例如,我希望的输出是:
['2009/09/13_00:00', 'R, R, R, R, R, R']
['2009/09/13_00:00', 'J, J']
['2009/09/16_00:00', 'R']
['2009/09/18_00:00', 'R']
['2009/09/19_00:00', 'R']
['2009/09/23_00:00', 'R']
['2009/09/24_00:00', 'R']
['2009/09/24_00:00', 'W']
['2009/09/24_00:00', 'S, S']
['2009/09/24_00:00', 'T']
我正在尝试将其绘制成图表。
感谢您的帮助。
最佳答案
mylist= [['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'R'],
['2009/09/13_00:00', 'J'],
['2009/09/13_00:00', 'J'],
['2009/09/16_00:00', 'R'],
['2009/09/18_00:00', 'R'],
['2009/09/19_00:00', 'R'],
['2009/09/23_00:00', 'R'],
['2009/09/24_00:00', 'R'],
['2009/09/24_00:00', 'W'],
['2009/09/24_00:00', 'S'],
['2009/09/24_00:00', 'S'],
['2009/09/24_00:00', 'T'],
]
for i in list(set([ tuple(i) for i in mylist])):
print [list(i) +[list(i)[-1]] * (mylist.count(list(i))-1) ]
输出
:
[['2009/09/13_00:00', 'R', 'R', 'R', 'R', 'R', 'R']]
[['2009/09/16_00:00', 'R']]
[['2009/09/24_00:00', 'T']]
[['2009/09/24_00:00', 'S', 'S']]
[['2009/09/13_00:00', 'J', 'J']]
[['2009/09/24_00:00', 'R']]
[['2009/09/18_00:00', 'R']]
[['2009/09/19_00:00', 'R']]
[['2009/09/23_00:00', 'R']]
[['2009/09/24_00:00', 'W']]
关于python - join - 嵌套列表中的重复项,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27218185/