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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
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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}
import json a=('[{"aa":11,"bb":22,"cc":33},{"aa":44,"bb":55,"cc":66}]') b = json.loads(a) b[0]['aa'] # 11
对你的a变量做了一点改动。
b = json.loads(a)b[0]不就可以了吗?
python3
对你的a变量做了一点改动。
b = json.loads(a)
b[0]不就可以了吗?