用Python方式打印2D列表的方法-Python [英] Pythonic way to print 2D list -- Python

问题描述

我以这种方式获得了二维字符列表:

I have a 2D list of characters in this fashion:

a = [['1','2','3'],
     ['4','5','6'],
     ['7','8','9']]

将列表作为一个整体打印出来的最Python方式是什么? IE.没有逗号或括号:

What's the most pythonic way to print the list as a whole block? I.e. no commas or brackets:

123
456
789

推荐答案

有很多方法.可能是str.join s的映射的str.join:

There are a lot of ways. Probably a str.join of a mapping of str.joins:

>>> a = [['1','2','3'],
...          ['4','5','6'],
...          ['7','8','9']]
>>> print('\n'.join(map(''.join, a)))
123
456
789
>>>

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