2 files changed, 67 insertions, 0 deletions
diff --git a/challenge-245/packy-anderson/python/ch-1.py b/challenge-245/packy-anderson/python/ch-1.py
new file mode 100644
index 0000000000..28b6ce5e11
--- /dev/null
+++ b/challenge-245/packy-anderson/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+
+def sortLanguage(lang, popularity):
+    # build a dict associating popularity with lang
+    lang_pop = {
+        v: popularity[i] for i,v in enumerate(lang)
+    }
+    sorted_list = sorted(lang,
+                         # sort by lang_pop, not lang
+                         key=lambda x: (lang_pop[x]))
+    return sorted_list
+
+def comma_join(arr):
+    return ', '.join(map(lambda i: str(i), arr))
+
+def quoted_comma_join(arr):
+    return "'" + "', '".join(arr) + "'"
+
+def solution(lang, popularity):
+    print(f'Input: @lang = ({quoted_comma_join(lang)})')
+    print(f'       @popularity = ({comma_join(popularity)})')
+    output = sortLanguage(lang, popularity)
+    print(f'Output: ({quoted_comma_join(output)})')
+
+print('Example 1:')
+solution(['perl', 'c', 'python'], [2, 1, 3])
+
+print('\nExample 2:')
+solution(['c++', 'haskell', 'java'], [1, 3, 2])
diff --git a/challenge-245/packy-anderson/python/ch-2.py b/challenge-245/packy-anderson/python/ch-2.py
new file mode 100644
index 0000000000..bb98b36e74
--- /dev/null
+++ b/challenge-245/packy-anderson/python/ch-2.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+from itertools import combinations
+
+def largestOfThree(ints):
+    # generate a list of combinations
+    combos = [
+        c for i in range(1, len(ints)+1)
+          for c in combinations(ints, i)
+    ]
+    maxval = -1 # initialize our failure case
+    for combo in combos:
+        combo_list = list(combo)
+        combo_list.sort(reverse=True)
+        num = int(''.join(map(str, combo_list)))
+        if num <= maxval: # not bigger than current max
+            continue
+        if num % 3 != 0: # not divisible by 3
+            continue
+        maxval = num
+    return maxval
+
+def comma_join(arr):
+    return ', '.join(map(str, arr))
+
+def solution(ints):
+    print(f'Input: @arr = ({comma_join(ints)})')
+    output = largestOfThree(ints)
+    print(f'Output: {output}')
+
+print('Example 1:')
+solution([8, 1, 9])
+
+print('\nExample 2:')
+solution([8, 6, 7, 1, 0])
+
+print('\nExample 3:')
+solution([1])