When I right click the file in VS Code and click on Run Python File in Terminal - it runs perfectly fine and gives me the desired outputs. However, when I click Run Code or Alt+Shift+N it opens up the Output tab next to the terminal and produces no output - just an error message stating that the module flask does not exist. I do not understand this, since the Flask package is installed. I created the venv and deleted it. It was working fine until yesterday. Now, it's not working unless I run the py file. Continue reading...