Annotating README's sample code as Python

README.md

@@ -25,16 +25,18 @@ the given base. This character should be appended to the input string to
 produce a valid Luhn string. `verify` tests whether or not a string is a valid
 Luhn string in the given base. By default, Baluhn operates in base 10:
 
-    >>> from baluhn import generate, verify
-    >>> verify('5105105105105100') # MasterCard test number
-    True
-    >>> value = '510510510510510' # note the missing check digit
-    >>> generate(value)
-    '0'
-    >>> verify(value + '0')
-    True
-    >>> verify(value + '7')
-    False
+```python
+>>> from baluhn import generate, verify
+>>> verify('5105105105105100') # MasterCard test number
+True
+>>> value = '510510510510510' # note the missing check digit
+>>> generate(value)
+'0'
+>>> verify(value + '0')
+True
+>>> verify(value + '7')
+False
+```
 
 When operating in a base other than decimal, encoder and decoder callables
 should be supplied. The encoder should take a single argument, an integer, and
@@ -44,17 +46,19 @@ return its integer value in the operating base. Note that the mapping between
 values and characters defined by the encoder and decoder should be one-to-one.
 
 For example, when working in hexadecimal:
-
-    >>> hex_alphabet = '0123456789abcdef'
-    >>> hex_encoder = lambda i: hex_alphabet[i]
-    >>> hex_decoder = lambda s: hex_alphabet.index(s)
-    >>> value = 'a8b56f'
-    >>> generate(value, base=16, encoder=hex_encoder, decoder=hex_decoder)
-    'b'
-    >>> verify('a8b56fb', base=16, decoder=hex_decoder)
-    True
-    >>> verify('a8b56fc', base=16, decoder=hex_decoder)
-    False
+
+```python
+>>> hex_alphabet = '0123456789abcdef'
+>>> hex_encoder = lambda i: hex_alphabet[i]
+>>> hex_decoder = lambda s: hex_alphabet.index(s)
+>>> value = 'a8b56f'
+>>> generate(value, base=16, encoder=hex_encoder, decoder=hex_decoder)
+'b'
+>>> verify('a8b56fb', base=16, decoder=hex_decoder)
+True
+>>> verify('a8b56fc', base=16, decoder=hex_decoder)
+False
+```
 
 ## Author
 
@@ -82,4 +86,4 @@ AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-For more information, please refer to <http://unlicense.org/>
+For more information, please refer to <http://unlicense.org/>