September 2017 Update

Task/Range-extraction/Python/range-extraction-2.py

@@ -1,26 +0,0 @@
-def grouper(lst):
-    src = iter(lst)
-    acc = [ next(src) ]
-    for i in src:
-        if i == acc[-1] + 1: acc.append(i)
-        else:
-            yield acc
-            acc = [i]
-    yield acc
-    raise StopIteration()
-
-def rangegrouper(lst):
-    for g in grouper(lst):
-        if len(g) == 2:
-            # satisfy rule that only runs longer than 2 are grouped
-            a,b = g
-            yield [a]
-            yield [b]
-        else: yield g
-    raise StopIteration()
-
-input= [0,  1,  2,  4,  6,  7,  8, 11, 12, 14,15, 16, 17, 18, 19, 20, 21, 22, 23, 24,   25, 27, 28, 29, 30, 31, 32, 33, 35, 36,37, 38, 39]
-print list(rangegrouper(input)) # print groups
-as_strings= ['%s%s%s' % ((g[0],'-',g[-1]) if len(g) > 1 else (g[0],'','')) for g in rangegrouper(input)]
-print as_strings
-print ', '.join(as_strings)