Add Python to Rust example

python-to-rust/src/lib.rs

@@ -0,0 +1,4 @@
+#[no_mangle]
+pub extern fn double_input(input: i32) -> i32 {
+    input * 2
+}

python-to-rust/src/main.py

@@ -0,0 +1,8 @@
+from ctypes import cdll
+
+lib = cdll.LoadLibrary('target/libdouble_input.so')
+double_input = lib.double_input
+
+input = 4
+output = double_input(input)
+print(str(input) + " * 2 = " + str(output))