using System;
using System.Collections.Generic;

using IronPython.Hosting;

namespace Cavingdeep.Python ...{
public class PyFacade<T> ...{
public const string ResultVariableName = "_result_";

private PythonEngine engine = new PythonEngine();

private string pythonFile;
private Result<T> result = new Result<T>();
private IDictionary<string,object> args =
new Dictionary<string,object>();

public string PythonFile ...{
get ...{return this.pythonFile;}
set ...{this.pythonFile = value;}
}

public T Result ...{
get ...{return this.result.Value;}
}

public IDictionary<string,object> Arguments ...{
get ...{return this.args;}
}

public void Execute() ...{
engine.Globals[ResultVariableName] = this.result;

foreach (KeyValuePair<string,object> arg in this.args) ...{
engine.Globals[arg.Key] = arg.Value;
}

engine.ExecuteFile(this.pythonFile);
}
}
} 

using System;
namespace Cavingdeep.Python ...{
public class Result<T> ...{
public T Value;
}
} 

def mayorThenTen(a, b):
return [(x, y) for x in a for y in b if x + y > 5]

if globals().has_key('_result_'):
_result_.Value = mayorThenTen(listA, listB)