Update README.md

Author: aaronchall

README.md

@@ -3,14 +3,14 @@ I already had gcc and related stuff, so that might be a dependency.
 after creating example.(i|c|h), I ran the following:
 
 ``` bash
-sudo apt-get install swig                                                                                                                       
-swig -python example.i                                                                                                                          
+sudo apt-get install swig
+swig -python example.i   
 ```
 
 Then created setup.py and ran that:
 
 ``` bash
-python setup.py build_ext --inplace                                                                                                             
+python setup.py build_ext --inplace
 ```
 
 and then could import:
@@ -19,4 +19,4 @@ and then could import:
 >>> import example
 >>> example.fact(4)
 24
-```
+```