Merge pull request #10450 from Firedrake/rogerbw-challenge-278

RogerBW solutions for challenge no. 278

1 files changed, 28 insertions, 0 deletions

diff --git a/challenge-278/roger-bell-west/python/ch-1.py b/challenge-278/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..fbed9dc486
--- /dev/null
+++ b/challenge-278/roger-bell-west/python/ch-1.py
@@ -0,0 +1,28 @@
+#! /usr/bin/python3
+
+import re
+
+def sortstring(a):
+  words = a.split(" ")
+  out = words.copy()
+  pr = re.compile(r'^(.*?)([0-9]+)$')
+  for w in words:
+    c = pr.search(w)
+    index = int(c.group(2)) - 1
+    out[index] = c.group(1)
+  return " ".join(out)
+
+import unittest
+
+class TestSortstring(unittest.TestCase):
+
+  def test_ex1(self):
+    self.assertEqual(sortstring("and2 Raku3 cousins5 Perl1 are4"), "Perl and Raku are cousins", 'example 1')
+
+  def test_ex2(self):
+    self.assertEqual(sortstring("guest6 Python1 most4 the3 popular5 is2 language7"), "Python is the most popular guest language", 'example 2')
+
+  def test_ex3(self):
+    self.assertEqual(sortstring("Challenge3 The1 Weekly2"), "The Weekly Challenge", 'example 3')
+
+unittest.main()