1 files changed, 32 insertions, 0 deletions
diff --git a/challenge-322/sgreen/python/ch-1.py b/challenge-322/sgreen/python/ch-1.py
new file mode 100755
index 0000000000..7d58247b47
--- /dev/null
+++ b/challenge-322/sgreen/python/ch-1.py
@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+
+import sys
+
+
+def string_format(input_string: str, size: int) -> str:
+    # Remove existing dashes
+    input_string = input_string.replace("-", "")
+
+    # The start value is the position of the first characters, so the remaining
+    #  characters are a multiple of 'size'
+    start = len(input_string) % size
+    parts = []
+
+
+    if start:
+        # The first group will be smaller than the rest
+        parts.append(input_string[0:start])
+
+    for pos in range(start, len(input_string), size):
+        # Group the remain characters by size.
+        parts.append(input_string[pos:pos+size])
+
+    return '-'.join(parts)
+
+def main():
+    result = string_format(sys.argv[1], int(sys.argv[2]))
+    print(result)
+
+
+if __name__ == '__main__':
+    main()