Added transposition cipher slides

[cipher-training.git] / slides / keyword-encipher.html

diff --git a/slides/keyword-encipher.html b/slides/keyword-encipher.html
index bb9e679775b9163bd9b19f9e636d3ee6fc1d3262..168bb5fb78628f7b0161d56641613646d4b62136 100644 (file)
--- a/slides/keyword-encipher.html
+++ b/slides/keyword-encipher.html
@@ -161,10 +161,6 @@ Write out the rest of the alphabet...
 
 2. and 3. How to find the appropriate letter of the keyword.
 
-Indexing pulls out letters. `'keyword'[0]` = 'k' ; `'keyword'[3]` = 'w' ; `'keyword'[-1]` = 'd'
-
-Slices pulls out substrings. `'keyword'[1:4]` = 'eyw' ; `'keyword'[:3]` = 'key' ; `'keyword'[5:]` = 'rd'
-
 `deduplicate(keyword + string_ascii_lowercase[from:] + string.ascii_lowercase)`
 
 Question: why not take a slice of the second alphabet copy?