but if I copy the python.exe from rp (virtual environment) folder, and paste it in the Scripts. it works perfectly. I was able to solve the issue, by copy pasting the file python.exe file. but this is ...

Even though it makes a .exe from the file, you still need to install Python and its libraries on your system. It does not make it executable on the system level, but rather allows the executable file ...

This post explains how to add Python to PATH using two simple methods. Now you can run Python code from anywhere using the command prompt!

And there you can see Python.exe. This means that Python is installed on your computer. Read Next: How to open and view Python PY files on Windows PC.

If the python27.dll is missing from your computer, try removing the older installation or use other solutions from this guide to fix it.