tasks a-s

Task/Semordnilap/Python/semordnilap-1.py

@@ -0,0 +1,11 @@
+>>> with open('unixdict.txt') as f:
+	wordset = set(f.read().strip().split())
+
+>>> revlist = (''.join(word[::-1]) for word in wordset)
+>>> pairs   = set((wrd, rev) for wrd, rev in zip(wordset, revlist)
+                  if wrd < rev and rev in wordset)
+>>> len(pairs)
+158
+>>> sorted(pairs, key=lambda p: (len(p[0]), p))[-5:]
+[('damon', 'nomad'), ('lager', 'regal'), ('leper', 'repel'), ('lever', 'revel'), ('kramer', 'remark')]
+>>>