How To Use A Phone As A Computer.

Yes, you can use your phone as a computer in some ways, but it's not as suitable as a laptop for complex tasks.

How to use your phone as a computer
Use a Bluetooth keyboard: Connect a Bluetooth keyboard to your phone to replace the onscreen keyboard.

Use a display cable: Connect your phone to a monitor using a display cable.
Use Chrome Remote Desktop: Use the Chrome Remote Desktop app to access files and applications on another computer.

Use desktop mode: On Android devices, you can use desktop mode to view websites in desktop mode.
Use a display adapter: Connect your phone to a TV or monitor using a display adapter.
Limitations

A phone's smaller screen and limited processing power make it less suitable as a full laptop replacement.

Other ways to use your phone
You can also use your phone to learn to code using apps.

I can mirror my phone to my wide screen TV for better viewing of I want.