Process escape sequences in a string in Python

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The correct thing to do is use the ‘string-escape’ code to decode the string.

>>> myString = "spam\\neggs"
>>> decoded_string = bytes(myString, "utf-8").decode("unicode_escape") # python3 
>>> decoded_string = myString.decode('string_escape') # python2
>>> print(decoded_string)
spam
eggs

Don’t use the AST or eval. Using the string codecs is much safer.

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