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-rwxr-xr-xchallenge-126/stuart-little/python/ch-1.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/challenge-126/stuart-little/python/ch-1.py b/challenge-126/stuart-little/python/ch-1.py
new file mode 100755
index 0000000000..aea89f2b33
--- /dev/null
+++ b/challenge-126/stuart-little/python/ch-1.py
@@ -0,0 +1,14 @@
+#!/usr/bin/env python
+
+# run <script> <number>
+
+import sys
+
+def no1(nr):
+ if len(nr)==0:
+ return 0
+ if nr[0] == '1':
+ return 9**(len(nr)-1)
+ return (int(nr[0])-1) * 9**(len(nr)-1) + no1(nr[1:])
+
+print(no1(sys.argv[1]) if '1' not in sys.argv[1] else (no1(sys.argv[1])-1))