a=("[{'aa':11,'bb':22,'cc':33},{'aa':44,'bb':55,'cc':66}]")
如何将a转换成列表
再将a[0]【'aa'】的值打印出来
三叔2016-10-22 16:14:45
python3
>>> a=("[{'aa':11,'bb':22,'cc':33},{'aa':44,'bb':55,'cc':66}]")
>>> a
"[{'aa':11,'bb':22,'cc':33},{'aa':44,'bb':55,'cc':66}]"
>>> eval(a)
[{'cc': 33, 'aa': 11, 'bb': 22}, {'cc': 66, 'aa': 44, 'bb': 55}]
>>> _[0]
{'cc': 33, 'aa': 11, 'bb': 22}