str.strip()
str.islower()
+
+ /* escape characters */
+ >>> 'doesn\'t' # use \' to escape the single quote...
+ "doesn't"
+ >>> "doesn't" # ...or use double quotes instead
+ "doesn't"
+ >>> '"Yes," they said.'
+ '"Yes," they said.'
+ >>> "\"Yes,\" they said."
+ '"Yes," they said.'
+ >>> '"Isn\'t," they said.'
+ '"Isn\'t," they said.'
### Casting