Make `python -c ...` print the result

example-output.txt

$ ./python.exe -c '2+3'
5

patch.diff

diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 9b6371d9c0..308066d7b1 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -454,7 +454,7 @@ PyRun_SimpleStringFlags(const char *command, PyCompilerFlags *flags)
     if (m == NULL)
         return -1;
     d = PyModule_GetDict(m);
-    v = PyRun_StringFlags(command, Py_file_input, d, d, flags);
+    v = PyRun_StringFlags(command, Py_single_input, d, d, flags);
     if (v == NULL) {
         PyErr_Print();
         return -1;