如何将列表列表更改为字符串

Question

我需要得到：

'W1NaCl U1NaCl V1NaCl'

来自：

[['W1NaCl'], ['U1NaCl'], ['V1NaCl']]

如何以pythonic方式获得所需的output

Answer 1

你可以做：

[[i] for i in 'W1NaCl U1NaCl V1NaCl'.split()]

拆分会将其切成单词，列表理解将使内部数组

Answer 2

items = [['W1NaCl'], ['U1NaCl'], ['V1NaCl']]
res = " ".join([item[0] for item in items])

产生： W1NaCl U1NaCl V1NaCl