1 files changed, 29 insertions, 0 deletions
diff --git a/challenge-200/sgreen/python/ch-1.py b/challenge-200/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..0d65c06fad
--- /dev/null
+++ b/challenge-200/sgreen/python/ch-1.py
@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def main(n):
+    solutions = []
+
+    for start in range(len(n)-2):
+        # Calculate the difference between the first two values
+        diff = abs(n[start] - n[start+1])
+
+        for end in range(start+2, len(n)):
+            if abs(n[end] - n[end-1]) == diff:
+                # We have a solution
+                solutions.append(tuple(n[start:end+1]))
+            else:
+                break
+
+    if solutions:
+        print(*solutions, sep=', ')
+    else:
+        print('()')
+
+
+if __name__ == '__main__':
+    # Turn the strings into integers
+    n = [int(i) for i in sys.argv[1:]]
+    main(n)