Problem in Configuration Rstudio with Python

I have installed Rstudio and Python 3.8, and I have installed reticulate package, and when I opened new Python file in Rstudio, I have typed this

library(reticulate)
But when I typed py_config()
I faced this problem

Error in py_initialize(config$python, config$libpython, config$pythonhome, :
Py_CompileString - The specified procedure could not be found.

So how to solve this problem? and how to join python with Rstudio, and make them integrated