什么区别？

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#1 Created at ... [Delete] [Delete and Lock User]

print(r'\n\\') File "<stdin>", line 1 print(r'\n\\') ^ SyntaxError: EOL while scanning string literal print(r'\\n\') \\n\

#2 Created at ... [Delete] [Delete and Lock User]

print(r'\n\\')的结果应该是\n\\，而print(r'\n\\')是会报错的，因为print('\n\\')执行不了，右边的'被转义掉了。

#3 Created at ... [Delete] [Delete and Lock User]

我想print(r'')的用法前提应该是print('')先可执行才行。

#4 Created at ... [Delete] [Delete and Lock User]

更正一下，“而”字后面的print(r'\n\\')应该是print('r\\n\')