2 files changed, 39 insertions, 0 deletions
diff --git a/challenge-173/sgreen/python/ch-1.py b/challenge-173/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..ab78b2aa42
--- /dev/null
+++ b/challenge-173/sgreen/python/ch-1.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+import sys
+
+
+def main(n):
+    # The first character is 0 .. len(n)-2
+    for i in range(len(n)-1):
+        # Calculate the difference between that number and the next
+        diff = abs(int(n[i]) - int(n[i+1]))
+        if diff != 1:
+            # This is not a esthetic number
+            print('0')
+            return
+
+    # This is a esthetic number
+    print('1')
+
+
+if __name__ == '__main__':
+    main(sys.argv[1])
diff --git a/challenge-173/sgreen/python/ch-2.py b/challenge-173/sgreen/python/ch-2.py
new file mode 100755
index 0000000000..fb5a135067
--- /dev/null
+++ b/challenge-173/sgreen/python/ch-2.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+
+import math
+
+
+def main():
+    # Set S0 of 2
+    solutions = [2]
+    while len(solutions) < 10:
+        # The next value is the product of the current array plus one
+        solutions.append(math.prod(solutions)+1)
+
+    # Print the solution
+    print(*solutions, sep='\n')
+
+
+if __name__ == '__main__':
+    main()