Python Unicode problem-How to restore characters based on the contents of quotation marks

Today, write a crawler, get the intermediate data contains similar Unicode encoding, at that time it is very simple, then seriously look, the situation is a bit different, normal Unicode as follows

>> s = U ' Chinese '
>>> s
U ' \u4e2d\u6587 '

And the data obtained is just the content inside the quotation marks, then the question comes, how to convert the data to the original appearance?

First we know that the format of the Unicode string is U ' \xxx ', so as long as the format can be converted back. Look at the following example

>>> st = ' \u4e2d\u6587 '
>>> "" "U '%s '" "% st
"U ' \\u4e2d\\u6587 '"
>>> un = "" "U '%s '" "% st
>>> UN
"U ' \\u4e2d\\u6587 '"
>>> Print eval (un)
Chinese

Python Unicode problem-How to restore characters based on the contents of quotation marks