Error reported using the web version of jupyder:
The reason for the error is that \ is an escape character in Python , and \u means that it is followed by UNICODE encoding, so \User will report an error here. Adding an r (rawstring) in front of the string can avoid python and regular expression syntax. conflict!
Reason for error:
In Python, \ is an escape character, and \u means that it is followed by UNICODE encoding, so \User will report an error here. Adding an r (rawstring) in front of the string can avoid conflicts between python and regular expression syntax. !
After modification:
