cleaning up and organizing old problems (builtin)

src/builtin_structures/reverse_words.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+__author__ = "bt3"
+
+
+
+def reversing_words(word):
+    """
+    >>> reversing_words('buffy is awesome')
+    'awesome is buffy'
+    """
+    new_word = []
+
+    words = word.split(' ')
+    for word in words[::-1]:
+        new_word.append(word)
+
+    return " ".join(new_word)
+
+
+def reversing_words2(s):
+    """
+    >>> reversing_words2('buffy is awesome')
+    'awesome is buffy'
+    """
+    words = s.split()
+    return ' '.join(reversed(words))
+
+
+def reversing_words3(s):
+    """
+    >>> reversing_words('buffy is awesome')
+    'awesome is buffy'
+    """
+    words = s.split(' ')
+    words.reverse()
+    return ' '.join(words)
+
+
+
+
+if __name__ == '__main__':
+    import doctest
+    doctest.testmod()
+