Create sorting.md

Author: Joseph Luce

Diff for: pythonic/sorting.md

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+This section, I'll be going over the best ways to sort in Python.
+
+## Sorting a list of integers
+
+sorted() creates a new list after the sort.
+```
+result = [3,4,2,1,5]
+sorted(result)
+>>> [1,2,3,4,5]
+```
+
+.sort() sorts the exisiting list in-place, therefore modifying the list.
+```
+result = [3,4,2,1,5]
+result.sort()
+print(result)
+>>> [1,2,3,4,5]
+```
+
+To sort in reverse, pass in the reverse keyword as True.
+```
+sorted(result, reverse=True)
+```
+```
+result.sort(reverse=True)
+```
+
+## Sorting a list of tuples
+```
+result = [(1,3),(1,2),(2,3),(2,1),(1,1)]
+result.sort()
+```
+
+Sorting a list of tuples based on a specific value per tuple
+
+```
+result.sort(key=lambda x: x[1])
+```
+
+Sorting a list of tuples with tiebreaker.
+
+```
+result.sort(key=lambda x: (x[0], x[1]))
+```
+
+Sorting a list of tuples with tiebreaker but second value is sorted in reversed.
+```
+result.sort(key=lambda x: (x[0], -x[1]))
+>>> [(1, 3), (1, 2), (1, 1), (2, 3), (2, 1)]
+```
+## Sorting a list of tuples which contain strings
+
+## Sorting based on a custom sort