Update 050-python-basics-5.md

Author: Eleng555

050-python-basics-5.md

@@ -11,9 +11,15 @@ Given an list of unknown length of strings stored in `args`, for each string, ta
 Strings are very similar to lists...
 
 ## Solution
-Python has a handy built in sort function! And, the indexes of strings can be referred to like the indexes in arrays or lists.
-
-
+The indexes of letters in a string can referred to like the indexes of items in an array or a list. The notation for this is `string[start,end,increment]`. If you leave the first part of the notation blank, the start value will default to zero. If you leave the second part blank, the end value will be the length of the string but exclusive (so think length -1), and if the increment is left blank, then it will default to 1.
+
+```python
+s = ""
+for x in args:
+  s += x[:2]
+  
+print s
+```
 
 ## Flag
 `its_string_slicing_not_pi(e)_slicing`