1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-212/sgreen/python/ch-1.py b/challenge-212/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..aac0116d02
--- /dev/null
+++ b/challenge-212/sgreen/python/ch-1.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import sys
+import string
+
+
+def main(array):
+    original_word = array.pop(0)
+    lower_alphabet = list(string.ascii_lowercase)
+    upper_alphabet = list(string.ascii_uppercase)
+    new_word = ''
+
+    for i, original_letter in enumerate(original_word):
+        # Which alphabet?
+        alphabet = lower_alphabet if original_letter in lower_alphabet else upper_alphabet
+
+        # Calculate position of new letter
+        pos = (alphabet.index(original_letter) + int(array[i])) % 26
+
+        # ... and add it to the string
+        new_word += alphabet[pos]
+
+    print(new_word)
+
+
+if __name__ == '__main__':
+    main(sys.argv[1:])