How to Run Python in .NET: A Step-by-Step Guide for Developers

Step1: Install Python.Runtime in dotnet.

Step2: Install Python in local.

Step3: Add Script at same directory "hello.py".

Code Snippet

# hello.py import sys def main(): print("Hello from Python!") if __name__ == "__main__": main()

Step4: Copy Code For Run Script. and Paste into Controller.

Code Snippet

[HttpGet("python/test-python")] public IActionResult TestPython() { try { // Path to your Python executable string pythonExe = "C:\\Program Files\\Python313\\python.exe"; // Change this to the full path if Python is not in your PATH string pythonScript = "hello.py"; // Ensure the script is in the correct location var process = new Process { StartInfo = new ProcessStartInfo { FileName = pythonExe, Arguments = pythonScript, RedirectStandardOutput = true, RedirectStandardError = true, UseShellExecute = false, CreateNoWindow = true } }; process.Start(); string output = process.StandardOutput.ReadToEnd(); string error = process.StandardError.ReadToEnd(); process.WaitForExit(); if (!string.IsNullOrWhiteSpace(error)) { return StatusCode(500, $"Python Error: {error}"); } return Ok(output.Trim()); } catch (Exception ex) { return StatusCode(500, $"Error: {ex.Message}"); } }

Now you can Enjoy with Python in DotNet😉