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+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+We also saw that higher-order functions enhance the power of our language by enabling us to manipulate,
+A programming language is a set of instructions we use to tell a computer what to do. Like all languages, programming languages have strict rules about syntax (the otder of the words) and punctuation (where to use ";", for example). Unlike a human who will understand the meaning of instructions which are not "gramatically correct," a computer will
+Some words are nouns (represent things) and some words are verbs (represent actions). Some words refer to temporary made up `var`iables that we create for our needs.
+More interestingly, we can create our own functions that perform and sequence of desired operations:
+some crazy stuff about higher-order functions which allow us to create functions that return functions!