2 files changed, 55 insertions, 0 deletions
diff --git a/challenge-074/roger-bell-west/python/ch-1.py b/challenge-074/roger-bell-west/python/ch-1.py
new file mode 100755
index 0000000000..483a169ff8
--- /dev/null
+++ b/challenge-074/roger-bell-west/python/ch-1.py
@@ -0,0 +1,27 @@
+#! /usr/bin/python3
+
+import unittest
+
+def majority(list):
+    s=dict()
+    for x in list:
+        s.setdefault(x,0)
+        s[x] += 1
+    m=max(s.values())
+    if m > int(len(list)/2):
+        q=dict()
+        for x in s.keys():
+            q[s[x]]=x
+        return q[m]
+    else:
+        return -1
+
+class TestMajority(unittest.TestCase):
+
+    def test_ex1(self):
+        self.assertEqual(majority((1, 2, 2, 3, 2, 4, 2)),2,'example 1')
+
+    def test_ex2(self):
+        self.assertEqual(majority((1, 3, 1, 2, 4, 5)),-1,'example 2')
+
+unittest.main()
diff --git a/challenge-074/roger-bell-west/python/ch-2.py b/challenge-074/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..cd065d950b
--- /dev/null
+++ b/challenge-074/roger-bell-west/python/ch-2.py
@@ -0,0 +1,28 @@
+#! /usr/bin/python3
+
+import unittest
+
+def fnr(i):
+    s=dict()
+    ls=list()
+    o=list()
+    for c in list(i):
+        ls.append(c)
+        s.setdefault(c,0)
+        s[c] += 1
+        ls=[x for x in ls if s[x]<2]
+        if len(ls)>0:
+            o.append(ls[len(ls)-1])
+        else:
+            o.append('#')
+    return ''.join(o)
+
+class TestMajority(unittest.TestCase):
+
+    def test_ex1(self):
+        self.assertEqual(fnr('ababc'),'abb#c','example 1')
+
+    def test_ex2(self):
+        self.assertEqual(fnr('xyzzyx'),'xyzyx#','example 2')
+
+unittest.main()