When using vscode, the tab indentation changes from 4 spaces to small arrows (solved)

The last leg of a journey marks the halfway point.

problem

The following error occurs when running the code

TabError: inconsistent use of tabs and spaces in indentation

Is an indentation error in the code
Specific performance: ab Key indent from 4 Spaces become small arrows

Solution

Click on ctrl+P Call up the input box for executing the command , Input settings.json
Add the following and save

"editor.detectIndentation": false,
"editor.tabSize": 4, 

Use again in the code editing page Tab You can indent normally