1. Problem description:
In the same directory, when multiple files are interdependent, import cannot recognize the module written by itself, and PyCharm prompts No Module.
2. Solution steps:
(1). Open File--> Setting—> Open the Python Console under Console, and click on the option (Add source roots to PYTHONPAT)
(2). Right-click on your workspace folder, find Mark Directory as and select Source Root, the problem is solved!
