1 files changed, 33 insertions, 0 deletions
diff --git a/challenge-320/packy-anderson/python/ch-2.py b/challenge-320/packy-anderson/python/ch-2.py
new file mode 100755
index 0000000000..07dfbd812c
--- /dev/null
+++ b/challenge-320/packy-anderson/python/ch-2.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+
+def int_join(joiner, arr):
+  return joiner.join(map(lambda i: str(i), arr))
+
+def subDiff(ints):
+  element_sum = sum(ints)
+  digits      = [ int(i) for i in list(int_join("", ints)) ]
+  digit_sum   = sum(digits)
+  abs_diff    = abs(element_sum - digit_sum)
+  int_list    = int_join(" + ", ints)
+  digit_list  = int_join(" + ", digits)
+  return (
+    abs_diff,
+    f"Element sum: {int_list} => {element_sum}\n" +
+    f"Digit sum:   {digit_list} => {digit_sum}\n" +
+    f"Absolute difference: | {element_sum} - {digit_sum} | " +
+    f"=> {abs_diff}"
+  )
+
+def solution(ints):
+  print(f'Input: @ints = ({int_join(", ", ints)})')
+  diff, explain = subDiff(ints)
+  print(f'Output: {diff}\n\n{explain}')
+
+print('Example 1:')
+solution([1, 23, 4, 5])
+
+print('\nExample 2:')
+solution([1, 2, 3, 4, 5])
+
+print('\nExample 3:')
+solution([1, 2, 34])