TR updates, first round

Author: lpozo

…thon-lists-tuples/create-lists-tuples.py …thon-lists-tuples/create_lists_tuples.pypython-lists-tuples/create-lists-tuples.py renamed to python-lists-tuples/create_lists_tuples.py python-lists-tuples/create-lists-tuples.py renamed to python-lists-tuples/create_lists_tuples.py

@@ -12,9 +12,10 @@
 temp = a
 a = b
 b = temp
-(a, b)
+print(a, b)
+
 a = "foo"
 b = "bar"
 # Using unpacking
 a, b = b, a
-a, b
+print(a, b)