How do I untab line (-1 tab)?

Question

I am looking for a sign that can untab a line:

• \t - tabs a line
• \n - new line

How do I untab a line (-1 tab)? Is there a way to do it?

Answer 1

没有这样的特殊字符来“取消”一行。如果要修改字符串并仅删除一个标签，可以使用str.replace：

mystring = mystring.replace('\t', '', 1)