1 files changed, 65 insertions, 0 deletions
diff --git a/challenge-225/robert-dicicco/python/ch-2.py b/challenge-225/robert-dicicco/python/ch-2.py
new file mode 100644
index 0000000000..1e110320df
--- /dev/null
+++ b/challenge-225/robert-dicicco/python/ch-2.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+# ---------------------------------------
+# AUTHOR: Robert DiCicco
+# DATE  : 2023-07-11
+# Challenge 225 Task 2 Left Right Sum Diff ( Python )
+# ---------------------------------------
+
+arrays = [[1, 2, 3, 4, 5],[10,4,8,3]]
+left = []
+right = []
+left_right_sum_diff = []
+
+def ltr(array):
+    sum = 0
+    left.append(0)
+    ln = len(array)
+    for x in range(0,ln-1):
+        sum += array[x]
+        left.append(sum)
+    print(f"\t@left = {left}")
+
+def rtl(array):
+    sum = 0
+    right.append(0)
+    i = len(array) - 1
+    while i > 0 :
+        sum += array[i]
+        right.append(sum)
+        i -= 1
+    right.reverse()
+    print(f"\t@right = {right}")
+
+
+for arr in arrays:
+    print(f"Input: @ints = {arr}")
+    ltr(arr)
+    rtl(arr)
+
+    i = 0
+    while i < len(arr):
+        val = abs(left[i] - right[i])
+        left_right_sum_diff.append(val)
+        i += 1
+    left = []
+    right = []
+    print(f"\tOutput: @left_right_sum_diff = {left_right_sum_diff}\n")
+    left_right_sum_diff = []
+# ---------------------------------------
+# SAMPLE OUTPUT
+ # python LRSD.py
+# Input: @ints = [1, 2, 3, 4, 5]
+        # @left = [0, 1, 3, 6, 10]
+        # @right = [14, 12, 9, 5, 0]
+        # Output: @left_right_sum_diff = [14, 11, 6, 1, 10]
+
+# Input: @ints = [10, 4, 8, 3]
+        # @left = [0, 10, 14, 22]
+        # @right = [15, 11, 3, 0]
+        # Output: @left_right_sum_diff = [15, 1, 11, 22]
+# ---------------------------------------
+
+
+
+
+