diff --git a/docs/faster_python.md b/docs/faster_python.md
index 86ec68e..5f9163f 100644
--- a/docs/faster_python.md
+++ b/docs/faster_python.md
@@ -80,6 +80,10 @@ threading.Thread(target=worker).start()
 
 ---
 
+![cython](images/cython.png)
+
+---
+
 ## Cython
 
 * Superset of Python programming language
@@ -106,6 +110,39 @@ print(z)
 
 ---
 
+### Resulting C code
+
+```C
+static PyObject *__pyx_f_13add_numbers_2_add_two_numbers(PyObject *__pyx_v_x, PyObject *__pyx_v_y) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("add_two_numbers", 1);
+
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = PyNumber_Add(__pyx_v_x, __pyx_v_y); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 2, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("add_numbers_2.add_two_numbers", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+```
+
+---
+
 ### Explicit parameter types
 
 ```python
@@ -119,6 +156,53 @@ print(z)
 
 ---
 
+### Resulting C code
+
+```C
+static PyObject *__pyx_f_13add_numbers_3_add_two_numbers(int __pyx_v_x, int __pyx_v_y) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
+  __Pyx_RefNannySetupContext("add_two_numbers", 1);
+
+  __Pyx_XDECREF(__pyx_r);
+  __pyx_t_1 = __Pyx_PyInt_From_int((__pyx_v_x + __pyx_v_y)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 2, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_r = __pyx_t_1;
+  __pyx_t_1 = 0;
+  goto __pyx_L0;
+
+  /* "add_numbers_3.pyx":1
+
+  /* function exit code */
+  __pyx_L1_error:;
+  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_AddTraceback("add_numbers_3.add_two_numbers", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __pyx_r = 0;
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+```
+
+---
+
+### Differences
+
+```C
+  __pyx_t_1 = PyNumber_Add(__pyx_v_x, __pyx_v_y); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 2, __pyx_L1_error)
+```
+
+```C
+  __pyx_t_1 = __Pyx_PyInt_From_int((__pyx_v_x + __pyx_v_y)); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 2, __pyx_L1_error)
+```
+
+---
+
 ### Explicit return type
 
 ```python
@@ -130,3 +214,4 @@ z = add_two_numbers(123, 456)
 print(z)
 ```
 
+![numba](images/numba.png)