Updates research/python

research/python.md

@@ -70,7 +70,8 @@ Python encourages polymorphism:
     that do not create new objects. Although such objects can be copied, in-place
     changes support direct modification.
 
-So remember that when [copying](https://stackoverflow.com/questions/2612802/how-to-clone-or-copy-a-list#2612815) or referencing a list.
+So remember that when [copying](https://stackoverflow.com/questions/2612802/how-to-clone-or-copy-a-list#2612815)
+or referencing a list.
 
 ## Implementations