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1 List Processing

To the untutored eye, Lisp is a strange programming language. In Lisp code there are parentheses everywhere. Some people even claim that the name stands for `Lots of Isolated Silly Parentheses'. But the claim is unwarranted. Lisp stands for LISt Processing, and the programming language handles lists (and lists of lists) by putting them between parentheses. The parentheses mark the boundaries of the list. Sometimes a list is preceded by a single apostrophe or quotation mark, ‘'1 Lists are the basis of Lisp.


Footnotes

[1] The single apostrophe or quotation mark is an abbreviation for the function quote; you need not think about functions now; functions are defined in Generate an Error Message.