replaced a comma with a colon
replaced easily with easy
added missing C
changed singular phrasing to plural
separated paragraph about vector functions into three paragraphs
added quotation marks
switched a colon to an em dash
switched unchangable to unchangeable
added a Now
added an It
rephrased empty list generation description
moved period outside of parentheses
removed spaces around em dash
adjusted definition for maps
switched a comma to an em dash
clarified definition of sequences
removed spaces around em dashes
removed reference to sets, as they are not currently referenced in the text
added in-line code formatting
small rephrasing